Vulnerability-Lookup

SUSE-SU-2024:1391-1

Vulnerability from csaf_suse - Published: 2024-04-23 05:33 - Updated: 2024-04-23 05:33

Summary

Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)

Severity

Important

Notes

Title of the patch: Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)

Description of the patch: This update for the Linux Kernel 5.3.18-150300_59_150 fixes one issue. The following security issue was fixed: - CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220828).

Patchnames: SUSE-2024-1391,SUSE-SLE-Module-Live-Patching-15-SP3-2024-1391

CVE-2024-26622

7.8 (High)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 3 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-5-150300.2.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-5-150300.2.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-5-150300.2.1.x86_64	—	Vendor Fix

Threats

Impact important

References

11 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2024…	self
https://bugzilla.suse.com/1220828	self
https://www.suse.com/security/cve/CVE-2024-26622/	self
https://www.suse.com/security/cve/CVE-2024-26622	external
https://bugzilla.suse.com/1220825	external
https://bugzilla.suse.com/1220828	external
https://bugzilla.suse.com/1224298	external
https://bugzilla.suse.com/1224878	external

JSON

To clipboard

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  ]
}

CVE-2024-26622 (GCVE-0-2024-26622)

Vulnerability from cvelistv5 – Published: 2024-03-04 06:40 – Updated: 2026-05-11 20:00

Title

tomoyo: fix UAF write bug in tomoyo_write_control()

Summary

In the Linux kernel, the following vulnerability has been resolved: tomoyo: fix UAF write bug in tomoyo_write_control() Since tomoyo_write_control() updates head->write_buf when write() of long lines is requested, we need to fetch head->write_buf after head->io_sem is held. Otherwise, concurrent write() requests can cause use-after-free-write and double-free problems.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 15:56 UTC

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/a23ac1788e2c828c0…
https://git.kernel.org/stable/c/7d930a4da17958f86…
https://git.kernel.org/stable/c/3bfe04c1273d30b86…
https://git.kernel.org/stable/c/2caa605079488da96…
https://git.kernel.org/stable/c/6edefe1b6c29a9932…
https://git.kernel.org/stable/c/2f03fc340cac9ea1d…
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < a23ac1788e2c828c097119e9a3178f0b7e503fee (git) Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < 7d930a4da17958f869ef679ee0e4a8729337affc (git) Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < 3bfe04c1273d30b866f4c7c238331ed3b08e5824 (git) Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < 2caa605079488da9601099fbda460cfc1702839f (git) Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < 6edefe1b6c29a9932f558a898968a9fcbeec5711 (git) Affected: bd03a3e4c9a9df0c6b007045fa7fc8889111a478 , < 2f03fc340cac9ea1dc63cbf8c93dd2eb0f227815 (git)
Linux	Linux	Affected: 3.1 Unaffected: 0 , < 3.1 (semver) Unaffected: 5.10.212 , ≤ 5.10.* (semver) Unaffected: 5.15.151 , ≤ 5.15.* (semver) Unaffected: 6.1.81 , ≤ 6.1.* (semver) Unaffected: 6.6.21 , ≤ 6.6.* (semver) Unaffected: 6.7.9 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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                  "versionStartIncluding": "3.1",
                  "vulnerable": true
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                },
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              "negate": false,
              "operator": "OR"
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntomoyo: fix UAF write bug in tomoyo_write_control()\n\nSince tomoyo_write_control() updates head-\u003ewrite_buf when write()\nof long lines is requested, we need to fetch head-\u003ewrite_buf after\nhead-\u003eio_sem is held.  Otherwise, concurrent write() requests can\ncause use-after-free-write and double-free problems."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:00:58.869Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a23ac1788e2c828c097119e9a3178f0b7e503fee"
        },
        {
          "url": "https://git.kernel.org/stable/c/7d930a4da17958f869ef679ee0e4a8729337affc"
        },
        {
          "url": "https://git.kernel.org/stable/c/3bfe04c1273d30b866f4c7c238331ed3b08e5824"
        },
        {
          "url": "https://git.kernel.org/stable/c/2caa605079488da9601099fbda460cfc1702839f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6edefe1b6c29a9932f558a898968a9fcbeec5711"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f03fc340cac9ea1dc63cbf8c93dd2eb0f227815"
        }
      ],
      "title": "tomoyo: fix UAF write bug in tomoyo_write_control()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26622",
    "datePublished": "2024-03-04T06:40:01.754Z",
    "dateReserved": "2024-02-19T14:20:24.134Z",
    "dateUpdated": "2026-05-11T20:00:58.869Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.