gsd-2020-25669
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.
Aliases
Aliases
{ GSD: { alias: "CVE-2020-25669", description: "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.", id: "GSD-2020-25669", references: [ "https://www.suse.com/security/cve/CVE-2020-25669.html", "https://ubuntu.com/security/CVE-2020-25669", "https://advisories.mageia.org/CVE-2020-25669.html", "https://security.archlinux.org/CVE-2020-25669", "https://alas.aws.amazon.com/cve/html/CVE-2020-25669.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2020-25669", ], details: "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.", id: "GSD-2020-25669", modified: "2023-12-13T01:21:56.793281Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2020-25669", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Linux Kernel", version: { version_data: [ { version_value: "5.9.4", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "CWE-416", }, ], }, ], }, references: { reference_data: [ { name: "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", refsource: "MLIST", url: "http://www.openwall.com/lists/oss-security/2020/11/05/2", }, { name: "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", refsource: "MLIST", url: "http://www.openwall.com/lists/oss-security/2020/11/20/5", }, { name: "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update", refsource: "MLIST", url: "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", }, { name: "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update", refsource: "MLIST", url: "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html", }, { name: "https://www.openwall.com/lists/oss-security/2020/11/05/2,", refsource: "MISC", url: "https://www.openwall.com/lists/oss-security/2020/11/05/2,", }, { name: "https://www.openwall.com/lists/oss-security/2020/11/20/5,", refsource: "MISC", url: "https://www.openwall.com/lists/oss-security/2020/11/20/5,", }, { name: "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e", refsource: "MISC", url: "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e", }, { name: "https://security.netapp.com/advisory/ntap-20210702-0006/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210702-0006/", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "4.4.245", vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "4.9.245", versionStartIncluding: "4.5", vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "4.14.208", versionStartIncluding: "4.10", vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "4.19.159", versionStartIncluding: "4.15", vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "5.4.79", versionStartIncluding: "4.20", vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "5.9.10", versionStartIncluding: "5.5", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2020-25669", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-416", }, ], }, ], }, references: { reference_data: [ { name: "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e", refsource: "MISC", tags: [ "Patch", "Third Party Advisory", ], url: "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e", }, { name: "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update", refsource: "MLIST", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html", }, { name: "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", refsource: "MLIST", tags: [ "Exploit", "Mailing List", "Third Party Advisory", ], url: "http://www.openwall.com/lists/oss-security/2020/11/20/5", }, { name: "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update", refsource: "MLIST", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", }, { name: "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit", refsource: "MLIST", tags: [ "Exploit", "Mailing List", "Third Party Advisory", ], url: "http://www.openwall.com/lists/oss-security/2020/11/05/2", }, { name: "https://www.openwall.com/lists/oss-security/2020/11/05/2,", refsource: "MISC", tags: [ "Exploit", "Mailing List", "Third Party Advisory", ], url: "https://www.openwall.com/lists/oss-security/2020/11/05/2,", }, { name: "https://www.openwall.com/lists/oss-security/2020/11/20/5,", refsource: "MISC", tags: [ "Exploit", "Mailing List", "Third Party Advisory", ], url: "https://www.openwall.com/lists/oss-security/2020/11/20/5,", }, { name: "https://security.netapp.com/advisory/ntap-20210702-0006/", refsource: "CONFIRM", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20210702-0006/", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { accessComplexity: "LOW", accessVector: "LOCAL", authentication: "NONE", availabilityImpact: "COMPLETE", baseScore: 7.2, confidentialityImpact: "COMPLETE", integrityImpact: "COMPLETE", vectorString: "AV:L/AC:L/Au:N/C:C/I:C/A:C", version: "2.0", }, exploitabilityScore: 3.9, impactScore: 10, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, severity: "HIGH", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { attackComplexity: "LOW", attackVector: "LOCAL", availabilityImpact: "HIGH", baseScore: 7.8, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "LOW", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 1.8, impactScore: 5.9, }, }, lastModifiedDate: "2023-02-24T18:41Z", publishedDate: "2021-05-26T12:15Z", }, }, }
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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