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CVE-2026-72177

UnknownEPSS 0.21%

Last modified

CVE-2026-72177 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: fix dir put orders in access_pattern_add_dirs() Patch series "mm/damon/sysfs-schemes: fix wrong directories put orders in error paths". Error paths of damon_sysfs_access_pattern_add_dirs() and damon_sysfs_scheme_add_dirs() functions put references to directories in wrong orders. As a result, uninitialized memory dereference and/or memory leak can happen. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: fix dir put orders in access_pattern_add_dirs() Patch series "mm/damon/sysfs-schemes: fix wrong directories put orders in error paths". Error paths of damon_sysfs_access_pattern_add_dirs() and damon_sysfs_scheme_add_dirs() functions put references to directories in wrong orders. As a result, uninitialized memory dereference and/or memory leak can happen. Fix those. This patch (of 2): In access_pattern_add_dirs(), error handling path puts references starting from setup failed directories. If the failure happpened from the initial allication in the setup functions, uninitialized memory dereference happen. The allocation failures will not commonly happen, but the consequence is quite bad. Fix the wrong reference put orders. The issue was discovered [1] by Sashiko.

Metrics

EPSS Probability
0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < 0710cc97962ca3bcabaa15ce7fead300faf726cd; >= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < a8c0592a80e954825f2ba29e7f32893f1df762f2; >= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < e03442b0c48bdb034f5b7cf9f3b76d8025576071; >= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < f18c561eb9c51f1ba3adb6117926a98a66599848; >= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < ee59df7a886a35113f309e3eb791060c46f79bb1; >= 7e84b1f8212a038ebeee06de56db7181148fa0cd, < d58fdbe37a829fd2e5803dd4e5a72992dd8c5368
LinuxLinux5.18

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-72177?
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: fix dir put orders in access_pattern_add_dirs() Patch series "mm/damon/sysfs-schemes: fix wrong directories put orders in error paths". Error paths of damon_sysfs_access_pattern_add_dirs() and damon_sysfs_scheme_add_dirs() functions put references to directories in wrong orders. As a result, uninitialized memory dereference and/or memory leak can happen. Fix those. This patch (of 2): In access_pattern_add_dirs(), error handling path puts references starting from setup failed directories. If the failure happpened from the initial allication in the setup functions, uninitialized memory dereference happen. The allocation failures will not commonly happen, but the consequence is quite bad. Fix the wrong reference put orders. The issue was discovered [1] by Sashiko.
How severe is CVE-2026-72177?
Severity scoring for CVE-2026-72177 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-72177?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST