High 7.3Published Nov 5, 2024

CVE-2024-50131tracing: Consider the NULL character when validating the event length

Updated under an hour ago (Oct 27, 2026, 9:40 PM ET)

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Exploited in the last 30 days

In 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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before 5e3231b352725ff4a3a0095e6035af674f2d8725; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before 02874ca52df2ca2423ba6122039315ed61c25972; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before b86b0d6eea204116e4185acc35041ca4ff11a642; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before f4ed40d1c669bba1a54407d8182acdc405683f29; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before a14a075a14af8d622c576145455702591bdde09d; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before 5fd942598ddeed9a212d1ff41f9f5b47bcc990a7; from dec65d79fd269d05427c8167090bfc9c3d0b56c4 before 0b6e2e22cb23105fcb171ab92f0f7516c69c8471	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1.1	CISA ADP
linux linux_kernel linux:linux_kernel	from 5.1 before 5.15.170; from 5.16 before 6.1.115; from 6.2 before 6.6.59; from 6.7 before 6.11.6; 6.12; 6.12; 6.12; 6.12	NVD

References

References

https://git.kernel.org/stable/c/5e3231b352725ff4a3a0095e6035af674f2d8725
https://git.kernel.org/stable/c/02874ca52df2ca2423ba6122039315ed61c25972
https://git.kernel.org/stable/c/b86b0d6eea204116e4185acc35041ca4ff11a642	patch
https://git.kernel.org/stable/c/f4ed40d1c669bba1a54407d8182acdc405683f29	patch
https://git.kernel.org/stable/c/a14a075a14af8d622c576145455702591bdde09d	patch
https://git.kernel.org/stable/c/5fd942598ddeed9a212d1ff41f9f5b47bcc990a7	patch
https://git.kernel.org/stable/c/0b6e2e22cb23105fcb171ab92f0f7516c69c8471	patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
https://cert-portal.siemens.com/productcert/html/ssa-265688.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.