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CVE-2026-31474

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() isotp_sendmsg() uses only cmpxchg() on so->tx.state to serialize access to so->tx.buf. isotp_release() waits for ISOTP_IDLE via wait_event_interruptible() and then calls kfree(so->tx.buf). If a signal interrupts the wait_event_interruptible() inside close() while tx.state is ISOTP_SENDING, the loop exits early and release proceeds to force ISOTP_SHUTDOWN and continues t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f8c227fd7bf0d492c23bad3efc0d0bf1eecda5cf3846cf4b909c6ac60822c86f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 11 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/7

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:6.12.0-55.82.1.el10_0","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/8

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/5

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/can/isotp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cb3d6efa78460e6d50bf68806d0db66265709f64","status":"affected","version":"96d1c81e6a0478535342dff6c730adb076cd84e8","versionType":"git"},{"lessThan":"9649d051e54413049c009638ec1dc23962c884a4","status":"affected","version":"96d1c81e6a0478535342dff6c730adb076cd84e8","versionType":"git"},{"lessThan":"eec8a1b18a79600bd4419079dc0026c1db72a830","status":"affected","version":"96d1c81e6a0478535342dff6c730ad…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:5.14.0-687.17.1.el9_8","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:6.12.0-211.26.1.el10_2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/can/isotp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/4
cvss · 2 assertions

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"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"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/metrics/1/cvssV3_1

Affected products and versions

11 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/7
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:6.12.0-55.82.1.el10_0","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/8
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/5
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/can/isotp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cb3d6efa78460e6d50bf68806d0db66265709f64","status":"affected","version":"96d1c81e6a0478535342dff6c730adb076cd84e8","versionType":"git"},{"lessThan":"9649d051e54413049c009638ec1dc23962c884a4","status":"affected","version":"96d1c81e6a0478535342dff6c730adb076cd84e8","versionType":"git"},{"lessThan":"eec8a1b18a79600bd4419079dc0026c1db72a830","status":"affected","version":"96d1c81e6a0478535342dff6c730ad…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:5.14.0-687.17.1.el9_8","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:6.12.0-211.26.1.el10_2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/can/isotp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/affected/4

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-364","description":"Signal Handler Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

11 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:27288"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:27731"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:27789"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/5
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-31474"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/0
{"name":"RHBZ#2460646","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460646"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/2e62e7051eca75a7f2e3d52d62ec10d7d7aa358c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/424e95d62110cdbc8fd12b40918f37e408e35a92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/9649d051e54413049c009638ec1dc23962c884a4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/cb3d6efa78460e6d50bf68806d0db66265709f64"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/eec8a1b18a79600bd4419079dc0026c1db72a830"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/cna/references/2
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31474.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e9ae6763ffb8774c2d5898d27a58717661213548811eddc8f3256b1d085f8185 · sha256:609cef2bd0afbdc6… · /containers/adp/0/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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