tracing: Consider the NULL character when validating the event length

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Summary

CVECVE-2024-50131
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-11-05 18:15:15 UTC
Updated2026-05-12 13:16:17 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: tracing: Consider the NULL character when validating the event length strlen() returns a string length excluding the null byte. If the string length equals to the maximum buffer length, the buffer will have no space for the NULL terminating character. This commit checks this condition and returns failure for it.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-120

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 5e3231b352725ff4a3a0095e6035af674f2d8725 git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 02874ca52df2ca2423ba6122039315ed61c25972 git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 b86b0d6eea204116e4185acc35041ca4ff11a642 git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 f4ed40d1c669bba1a54407d8182acdc405683f29 git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 a14a075a14af8d622c576145455702591bdde09d git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 5fd942598ddeed9a212d1ff41f9f5b47bcc990a7 git Not specified
CNA Linux Linux affected dec65d79fd269d05427c8167090bfc9c3d0b56c4 0b6e2e22cb23105fcb171ab92f0f7516c69c8471 git Not specified
CNA Linux Linux affected 5.1 Not specified
CNA Linux Linux unaffected 5.1 semver Not specified
CNA Linux Linux unaffected 5.4.285 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.229 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.170 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.115 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.59 6.6.* semver Not specified
CNA Linux Linux unaffected 6.11.6 6.11.* semver Not specified
CNA Linux Linux unaffected 6.12 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0b6e2e22cb23105fcb171ab92f0f7516c69c8471 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b86b0d6eea204116e4185acc35041ca4ff11a642 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5e3231b352725ff4a3a0095e6035af674f2d8725 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/a14a075a14af8d622c576145455702591bdde09d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/02874ca52df2ca2423ba6122039315ed61c25972 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f4ed40d1c669bba1a54407d8182acdc405683f29 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/5fd942598ddeed9a212d1ff41f9f5b47bcc990a7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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