CVE-2024-26736

HIGH

Linux Kernel < 5.4.270 - Out-of-Bounds Write

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]

References (8)

[Patch] https://git.kernel.org/stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5

[Patch] https://git.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e

[Patch] https://git.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d

[Patch] https://git.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa

[Patch] https://git.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637

[Patch] https://git.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e

[Patch] https://git.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1

[Mailing List] https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Scores

CVSS v3 7.8

EPSS 0.0002

EPSS Percentile 4.7%

Attack Vector LOCAL

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

Classification

CWE

CWE-787

Status published

Affected Products (13)

linux/linux_kernel < 5.4.270

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

debian/debian_linux

linux/Kernel < 5.4.270linux

linux/Kernel < 5.10.211linux

linux/Kernel < 5.15.150linux

linux/Kernel < 6.1.80linux

linux/Kernel < 6.6.19linux

linux/Kernel < 6.7.7linux

Timeline

Published Apr 03, 2024

Tracked Since Feb 18, 2026