usn-8667-1
Vulnerability from osv_ubuntu
Published
2026-08-21 19:27
Modified
2026-08-21 19:27
Summary
linux-kvm vulnerabilities
Details

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. (CVE-2025-27558)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - Cryptographic API; - InfiniBand drivers; - Media drivers; - NVIDIA Tegra memory controller driver; - Network drivers; - NVME drivers; - File systems infrastructure; - Ext4 file system; - Network file system (NFS) server daemon; - IPv4 networking; - Network traffic control; - TCP network protocol; - Tracing infrastructure; - Locking primitives; - B.A.T.M.A.N. meshing protocol; - Ceph Core library; - IPv6 networking; - Multipath TCP; - Netfilter; - RxRPC session sockets; - SCTP protocol; - SMC sockets; - TIPC protocol; (CVE-2021-47378, CVE-2026-23392, CVE-2026-31402, CVE-2026-31405, CVE-2026-31414, CVE-2026-31448, CVE-2026-31657, CVE-2026-31668, CVE-2026-43037, CVE-2026-43071, CVE-2026-43198, CVE-2026-43493, CVE-2026-43499, CVE-2026-45988, CVE-2026-46119, CVE-2026-46135, CVE-2026-46266, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-52955, CVE-2026-52958, CVE-2026-52982, CVE-2026-52986, CVE-2026-52989, CVE-2026-52993, CVE-2026-52999, CVE-2026-53002, CVE-2026-53006, CVE-2026-53045, CVE-2026-53088, CVE-2026-53176, CVE-2026-53212, CVE-2026-53228, CVE-2026-53359)

References
https://ubuntu.com/security/notices/USN-8667-1 ADVISORY
https://ubuntu.com/security/CVE-2021-47378 REPORT
https://ubuntu.com/security/CVE-2025-27558 REPORT
https://ubuntu.com/security/CVE-2026-23392 REPORT
https://ubuntu.com/security/CVE-2026-31402 REPORT
https://ubuntu.com/security/CVE-2026-31405 REPORT
https://ubuntu.com/security/CVE-2026-31414 REPORT
https://ubuntu.com/security/CVE-2026-31448 REPORT
https://ubuntu.com/security/CVE-2026-31657 REPORT
https://ubuntu.com/security/CVE-2026-31668 REPORT
https://ubuntu.com/security/CVE-2026-43037 REPORT
https://ubuntu.com/security/CVE-2026-43071 REPORT
https://ubuntu.com/security/CVE-2026-43198 REPORT
https://ubuntu.com/security/CVE-2026-43493 REPORT
https://ubuntu.com/security/CVE-2026-43499 REPORT
https://ubuntu.com/security/CVE-2026-45988 REPORT
https://ubuntu.com/security/CVE-2026-46119 REPORT
https://ubuntu.com/security/CVE-2026-46135 REPORT
https://ubuntu.com/security/CVE-2026-46266 REPORT
https://ubuntu.com/security/CVE-2026-46331 REPORT
https://ubuntu.com/security/CVE-2026-52914 REPORT
https://ubuntu.com/security/CVE-2026-52924 REPORT
https://ubuntu.com/security/CVE-2026-52931 REPORT
https://ubuntu.com/security/CVE-2026-52955 REPORT
https://ubuntu.com/security/CVE-2026-52958 REPORT
https://ubuntu.com/security/CVE-2026-52982 REPORT
https://ubuntu.com/security/CVE-2026-52986 REPORT
https://ubuntu.com/security/CVE-2026-52989 REPORT
https://ubuntu.com/security/CVE-2026-52993 REPORT
https://ubuntu.com/security/CVE-2026-52999 REPORT
https://ubuntu.com/security/CVE-2026-53002 REPORT
https://ubuntu.com/security/CVE-2026-53006 REPORT
https://ubuntu.com/security/CVE-2026-53045 REPORT
https://ubuntu.com/security/CVE-2026-53088 REPORT
https://ubuntu.com/security/CVE-2026-53176 REPORT
https://ubuntu.com/security/CVE-2026-53212 REPORT
https://ubuntu.com/security/CVE-2026-53228 REPORT
https://ubuntu.com/security/CVE-2026-53359 REPORT

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-47378",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-27558",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-23392",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31402",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31405",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31414",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31448",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31657",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-31668",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-43037",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-43071",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-43198",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-43493",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-43499",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-45988",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-46119",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-46135",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-46266",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-46331",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52914",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52924",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52931",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52955",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52958",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52982",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52986",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52989",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52993",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-52999",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53002",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53006",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53045",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53088",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53176",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53212",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53228",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53359",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-5.4.0-1149-kvm",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-headers-5.4.0-1149-kvm",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-image-unsigned-5.4.0-1149-kvm",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-kvm-headers-5.4.0-1149",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-kvm-tools-5.4.0-1149",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-modules-5.4.0-1149-kvm",
            "binary_version": "5.4.0-1149.158"
          },
          {
            "binary_name": "linux-tools-5.4.0-1149-kvm",
            "binary_version": "5.4.0-1149.158"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "linux-kvm",
        "purl": "pkg:deb/ubuntu/linux-kvm@5.4.0-1149.158?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.4.0-1149.158"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.3.0-1003.3",
        "5.3.0-1008.9",
        "5.3.0-1009.10",
        "5.4.0-1004.4",
        "5.4.0-1006.6",
        "5.4.0-1007.7",
        "5.4.0-1008.8",
        "5.4.0-1009.9",
        "5.4.0-1011.11",
        "5.4.0-1015.15",
        "5.4.0-1018.18",
        "5.4.0-1020.20",
        "5.4.0-1021.21",
        "5.4.0-1023.23",
        "5.4.0-1024.24",
        "5.4.0-1026.27",
        "5.4.0-1028.29",
        "5.4.0-1030.31",
        "5.4.0-1031.32",
        "5.4.0-1032.33",
        "5.4.0-1033.34",
        "5.4.0-1034.35",
        "5.4.0-1036.37",
        "5.4.0-1037.38",
        "5.4.0-1038.39",
        "5.4.0-1039.40",
        "5.4.0-1040.41",
        "5.4.0-1041.42",
        "5.4.0-1044.46",
        "5.4.0-1045.47",
        "5.4.0-1046.48",
        "5.4.0-1047.49",
        "5.4.0-1048.50",
        "5.4.0-1049.51",
        "5.4.0-1050.52",
        "5.4.0-1051.53",
        "5.4.0-1053.55",
        "5.4.0-1054.56",
        "5.4.0-1055.57",
        "5.4.0-1056.58",
        "5.4.0-1058.61",
        "5.4.0-1059.62",
        "5.4.0-1061.64",
        "5.4.0-1062.65",
        "5.4.0-1063.66",
        "5.4.0-1065.68",
        "5.4.0-1068.72",
        "5.4.0-1070.75",
        "5.4.0-1071.76",
        "5.4.0-1073.78",
        "5.4.0-1074.79",
        "5.4.0-1075.80",
        "5.4.0-1076.81",
        "5.4.0-1078.84",
        "5.4.0-1079.85",
        "5.4.0-1082.88",
        "5.4.0-1083.89",
        "5.4.0-1084.90",
        "5.4.0-1086.92",
        "5.4.0-1087.93",
        "5.4.0-1088.94",
        "5.4.0-1089.95",
        "5.4.0-1090.96",
        "5.4.0-1091.97",
        "5.4.0-1092.98",
        "5.4.0-1093.99",
        "5.4.0-1094.100",
        "5.4.0-1095.101",
        "5.4.0-1096.102",
        "5.4.0-1097.103",
        "5.4.0-1098.104",
        "5.4.0-1099.105",
        "5.4.0-1100.106",
        "5.4.0-1101.107",
        "5.4.0-1102.108",
        "5.4.0-1103.110",
        "5.4.0-1104.111",
        "5.4.0-1105.112",
        "5.4.0-1106.113",
        "5.4.0-1107.114",
        "5.4.0-1108.115",
        "5.4.0-1109.116",
        "5.4.0-1110.117",
        "5.4.0-1111.118",
        "5.4.0-1112.119",
        "5.4.0-1113.120",
        "5.4.0-1114.121",
        "5.4.0-1115.122",
        "5.4.0-1116.123",
        "5.4.0-1117.124",
        "5.4.0-1118.125",
        "5.4.0-1119.127",
        "5.4.0-1120.128",
        "5.4.0-1121.129",
        "5.4.0-1122.130",
        "5.4.0-1123.131",
        "5.4.0-1124.132",
        "5.4.0-1125.133",
        "5.4.0-1126.134",
        "5.4.0-1127.136",
        "5.4.0-1129.138",
        "5.4.0-1130.139",
        "5.4.0-1131.140",
        "5.4.0-1132.141",
        "5.4.0-1133.142",
        "5.4.0-1134.143",
        "5.4.0-1135.144",
        "5.4.0-1136.145",
        "5.4.0-1137.146",
        "5.4.0-1138.147",
        "5.4.0-1139.148",
        "5.4.0-1140.149",
        "5.4.0-1141.150",
        "5.4.0-1143.152",
        "5.4.0-1144.153",
        "5.4.0-1145.154",
        "5.4.0-1146.155",
        "5.4.0-1147.156",
        "5.4.0-1148.157"
      ]
    }
  ],
  "aliases": [],
  "details": "Siebe Devroe, H\u00e9lo\u00efse Gollier, and Mathy Vanhoef discovered that the WiFi\nimplementation in the Linux kernel did not properly handle aggregated\nframes in mesh networks, due to an incorrect fix for CVE-2020-24588. A\nphysically proximate attacker could use this issue to inject packets.\n(CVE-2025-27558)\n\nSeveral security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - x86 architecture;\n  - Cryptographic API;\n  - InfiniBand drivers;\n  - Media drivers;\n  - NVIDIA Tegra memory controller driver;\n  - Network drivers;\n  - NVME drivers;\n  - File systems infrastructure;\n  - Ext4 file system;\n  - Network file system (NFS) server daemon;\n  - IPv4 networking;\n  - Network traffic control;\n  - TCP network protocol;\n  - Tracing infrastructure;\n  - Locking primitives;\n  - B.A.T.M.A.N. meshing protocol;\n  - Ceph Core library;\n  - IPv6 networking;\n  - Multipath TCP;\n  - Netfilter;\n  - RxRPC session sockets;\n  - SCTP protocol;\n  - SMC sockets;\n  - TIPC protocol;\n(CVE-2021-47378, CVE-2026-23392, CVE-2026-31402, CVE-2026-31405,\nCVE-2026-31414, CVE-2026-31448, CVE-2026-31657, CVE-2026-31668,\nCVE-2026-43037, CVE-2026-43071, CVE-2026-43198, CVE-2026-43493,\nCVE-2026-43499, CVE-2026-45988, CVE-2026-46119, CVE-2026-46135,\nCVE-2026-46266, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924,\nCVE-2026-52931, CVE-2026-52955, CVE-2026-52958, CVE-2026-52982,\nCVE-2026-52986, CVE-2026-52989, CVE-2026-52993, CVE-2026-52999,\nCVE-2026-53002, CVE-2026-53006, CVE-2026-53045, CVE-2026-53088,\nCVE-2026-53176, CVE-2026-53212, CVE-2026-53228, CVE-2026-53359)\n",
  "id": "USN-8667-1",
  "modified": "2026-08-21T19:27:34Z",
  "published": "2026-08-21T19:27:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8667-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-47378"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-27558"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-23392"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31402"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31405"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31414"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31448"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31657"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-31668"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43037"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43071"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43198"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43493"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43499"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-45988"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-46119"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-46135"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-46266"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-46331"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52914"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52924"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52931"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52955"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52958"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52982"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52986"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52989"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52993"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52999"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53002"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53006"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53045"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53088"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53176"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53212"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53228"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53359"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-kvm vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-47378",
    "UBUNTU-CVE-2025-27558",
    "UBUNTU-CVE-2026-23392",
    "UBUNTU-CVE-2026-31402",
    "UBUNTU-CVE-2026-31405",
    "UBUNTU-CVE-2026-31414",
    "UBUNTU-CVE-2026-31448",
    "UBUNTU-CVE-2026-31657",
    "UBUNTU-CVE-2026-31668",
    "UBUNTU-CVE-2026-43037",
    "UBUNTU-CVE-2026-43071",
    "UBUNTU-CVE-2026-43198",
    "UBUNTU-CVE-2026-43493",
    "UBUNTU-CVE-2026-43499",
    "UBUNTU-CVE-2026-45988",
    "UBUNTU-CVE-2026-46119",
    "UBUNTU-CVE-2026-46135",
    "UBUNTU-CVE-2026-46266",
    "UBUNTU-CVE-2026-46331",
    "UBUNTU-CVE-2026-52914",
    "UBUNTU-CVE-2026-52924",
    "UBUNTU-CVE-2026-52931",
    "UBUNTU-CVE-2026-52955",
    "UBUNTU-CVE-2026-52958",
    "UBUNTU-CVE-2026-52982",
    "UBUNTU-CVE-2026-52986",
    "UBUNTU-CVE-2026-52989",
    "UBUNTU-CVE-2026-52993",
    "UBUNTU-CVE-2026-52999",
    "UBUNTU-CVE-2026-53002",
    "UBUNTU-CVE-2026-53006",
    "UBUNTU-CVE-2026-53045",
    "UBUNTU-CVE-2026-53088",
    "UBUNTU-CVE-2026-53176",
    "UBUNTU-CVE-2026-53212",
    "UBUNTU-CVE-2026-53228",
    "UBUNTU-CVE-2026-53359"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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