eventfs: Initialize ei->children and ei->list in init_ei()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89618
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:47 UTC
Updated2026-10-19 09:17:58 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: eventfs: Initialize ei->children and ei->list in init_ei() eventfs_create_dir() allocates the eventfs_inode and initializes it with init_ei(). But this does not initialize the eventfs_inode list_heads. If the eventfs_create_dir() fails due to memory pressure, it will call free_ei() before it initialized the lists, and that checks to make sure the eventfs_inode has no children. But because the list wasn't initialized, it will give a false warning. Fix it by moving the list initialization into init_ei(). [ Rewrote change log ]

Risk And Classification

EPSS: 0.001750000 probability, percentile 0.072040000 (date 2026-09-14)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 35ee34c0f6d578c9d245438ca29bf2e7024a5a65 069729282fbecfaa8a54062266c338ed23f08005 git Not specified
CNA Linux Linux affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f c480f8af173d5b19c6d9c4311df6bbe352face9e git Not specified
CNA Linux Linux affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 5333e18e6b425fcc39c7fea89e3949a2a98bc5e4 git Not specified
CNA Linux Linux affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 76e0f85f650738d768449dbccbc7c55d05f5b609 git Not specified
CNA Linux Linux affected 5790b1fb3d672d9a1fe3881a7181dfdbe741568f 1704aaaf5d22bc765c168402350d191e24e245bc git Not specified
CNA Linux Linux affected 6.6.18 6.6.157 semver Not specified
CNA Linux Linux affected 6.7 Not specified
CNA Linux Linux unaffected 6.7 semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1704aaaf5d22bc765c168402350d191e24e245bc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/76e0f85f650738d768449dbccbc7c55d05f5b609 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5333e18e6b425fcc39c7fea89e3949a2a98bc5e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c480f8af173d5b19c6d9c4311df6bbe352face9e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/069729282fbecfaa8a54062266c338ed23f08005 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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