mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break()

Summary

CVECVE-2026-64184
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:18:00 UTC
Updated2026-07-19 16:18:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break() damon_sysfs_memcg_path_to_id() breaks mem_cgroup_iter() loop without calling mem_cgroup_iter_break(). This leaks the cgroup reference. Fix the issue by calling mem_cgroup_iter_break() before the break. The issue was discovered [1] by Sashiko.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 29cbb9a13f05b20f0777c60db9603730b487a4e0 082351f9d40007414ad6af062b3a26fa02fd4b5f git Not specified
CNA Linux Linux affected 29cbb9a13f05b20f0777c60db9603730b487a4e0 30a361be33f3793b9ecbd10ab7be6d0564819b79 git Not specified
CNA Linux Linux affected 29cbb9a13f05b20f0777c60db9603730b487a4e0 302e02f9ba49f81418ec2a749ae6f5cac1d424e9 git Not specified
CNA Linux Linux affected 29cbb9a13f05b20f0777c60db9603730b487a4e0 1bd31386ec3b9ccec10c04429948a306ec5897c0 git Not specified
CNA Linux Linux affected 29cbb9a13f05b20f0777c60db9603730b487a4e0 d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9 git Not specified
CNA Linux Linux affected 6.3 Not specified
CNA Linux Linux unaffected 6.3 semver Not specified
CNA Linux Linux unaffected 6.6.142 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.92 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/082351f9d40007414ad6af062b3a26fa02fd4b5f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/302e02f9ba49f81418ec2a749ae6f5cac1d424e9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1bd31386ec3b9ccec10c04429948a306ec5897c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/30a361be33f3793b9ecbd10ab7be6d0564819b79 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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