media: cedrus: fix memory leak in cedrus_init_ctrls()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89896
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:16:58 UTC
Updated2026-09-16 11:16:58 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 6fabacc3b79a528450aef4c32464da2ec681049e git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 729a1ffab968b3c493f61d1cd683f5bafec500ea git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 ce5693b6e3a693fcdc3800af309363f6250104c8 git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 22441be29ec27c693f40c1ef499093275ef529d1 git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 79fd0b0161506fc9507bf7a6fe4c975a857a5be8 git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 f78cf36cabf911da348ea80e4e9f430d74f6905c git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 81aa608ac3a56cdd4aab0bd12442ed529a24ba31 git Not specified
CNA Linux Linux affected 50e761516f2b8c0cdeb31a8c6ca1b4ef98cd13f1 9df2fbe563194da1967a5db083442186c1323efe git Not specified
CNA Linux Linux affected 4.20 Not specified
CNA Linux Linux unaffected 4.20 semver Not specified
CNA Linux Linux unaffected 5.10.270 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.221 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/729a1ffab968b3c493f61d1cd683f5bafec500ea 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6fabacc3b79a528450aef4c32464da2ec681049e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f78cf36cabf911da348ea80e4e9f430d74f6905c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/22441be29ec27c693f40c1ef499093275ef529d1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ce5693b6e3a693fcdc3800af309363f6250104c8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9df2fbe563194da1967a5db083442186c1323efe 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/79fd0b0161506fc9507bf7a6fe4c975a857a5be8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/81aa608ac3a56cdd4aab0bd12442ed529a24ba31 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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