CVE-2026-89896

media: cedrus: fix memory leak in cedrus_init_ctrls()

State: Published
Severity: Not scored
Published: Sep 16, 2026
Updated: Oct 19, 2026
Reserved: Sep 11, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

media: cedrus: fix memory leak in cedrus_init_ctrls()

In cedrus_init_ctrls(), the V4L2 control handler is initialized before allocating memory for ctx->ctrls. If this allocation fails, the function returns -ENOMEM without freeing the previously allocated handler resources, leading to a memory leak.

Fix this by calling v4l2_ctrl_handler_free() on the ctx->ctrls allocation failure path.

The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1.1.

An x86_64 allyesconfig build showed no new warnings. As we do not have an Allwinner SoC or board with a Cedrus VPU available to test with, no runtime testing was able to be performed.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 6fabacc3b79a528450aef4c32464da2ec681049eAffected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 729a1ffab968b3c493f61d1cd683f5bafec500eaAffected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before ce5693b6e3a693fcdc3800af309363f6250104c8Affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 22441be29ec27c693f40c1ef499093275ef529d1Affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 79fd0b0161506fc9507bf7a6fe4c975a857a5be8Affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before f78cf36cabf911da348ea80e4e9f430d74f6905cAffected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 81aa608ac3a56cdd4aab0bd12442ed529a24ba31Affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 9df2fbe563194da1967a5db083442186c1323efeAffected
LinuxLinux	4.20Affected before 4.20Not affected 5.10.270 through 5.10.Not affected 5.15.221 through 5.15.Not affected 6.1.188 through 6.1.Not affected 6.6.157 through 6.6.Not affected 6.12.110 through 6.12.Not affected 6.18.51 through 6.18.Not affected 7.2.5 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 6fabacc3b79a528450aef4c32464da2ec681049eAffected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 729a1ffab968b3c493f61d1cd683f5bafec500eaAffected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before ce5693b6e3a693fcdc3800af309363f6250104c8Affected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 22441be29ec27c693f40c1ef499093275ef529d1Affected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 79fd0b0161506fc9507bf7a6fe4c975a857a5be8Affected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before f78cf36cabf911da348ea80e4e9f430d74f6905cAffected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 81aa608ac3a56cdd4aab0bd12442ed529a24ba31Affected
50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 to before 9df2fbe563194da1967a5db083442186c1323efeAffected

LinuxLinux

4.20Affected
before 4.20Not affected
5.10.270 through 5.10.*Not affected
5.15.221 through 5.15.*Not affected
6.1.188 through 6.1.*Not affected
6.6.157 through 6.6.*Not affected
6.12.110 through 6.12.*Not affected
6.18.51 through 6.18.*Not affected
7.2.5 through 7.2.*Not affected
7.3 and laterNot affected

References

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