CVE-2024-26993

Advisory lineage Upstream: 0 Downstream: 47
Modified
Published: 01 May 2024, 05:28
Last modified:23 May 2026, 15:40

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability +0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 May 2024, 05:28
Published
Vulnerability first disclosed
23 May 2026, 15:40
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: fs: sysfs: Fix reference leak in sysfs_break_active_protection() The sysfs_break_active_protection() routine has an obvious reference leak in its error path. If the call to kernfs_find_and_get() fails then kn will be NULL, so the companion sysfs_unbreak_active_protection() routine won't get called (and would only cause an access violation by trying to dereference kn->parent if it was called). As a result, the reference to kobj acquired at the start of the function will never be released. Fix the leak by adding an explicit kobject_put() call when kn is NULL.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 7%

Affected Systems

  • linux•linux

    ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < f28bba37fe244889b81bb5c508d3f6e5c6e342c5 | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < 57baab0f376bec8f54b0fe6beb8f77a57c228063 | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < 84bd4c2ae9c3d0a7d3a5c032ea7efff17af17e17 | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < 43f00210cb257bcb0387e8caeb4b46375d67f30c | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < 5d43e072285e81b0b63cee7189b3357c7768a43b | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < ac107356aabc362aaeb77463e814fc067a5d3957 | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < a4c99b57d43bab45225ba92d574a8683f9edc8e4 | ≥ 2afc9166f79b8f6da5f347f48515215ceee4ae37, < a90bca2228c0646fc29a72689d308e5fe03e6d78 | e8a37b2fd5b5087bec6cbbf6946ee3caa712953b | a6abc93760dd07fcd29760b70e6e7520f22cb288 | 461a6385e58e8247e6ba2005aa5d1b8d980ee4a2 | 8a5e02a0f46ea33ed19e48e096a8e8d28e73d10a | c984f4d1d40a2f349503b3faf946502ccbf02f9f | 807d1d299a04e9ad9a9dac55419c1137a105254b | ≥ 3.16.62, < 3.17 | ≥ 3.18.121, < 3.19 | ≥ 4.4.154, < 4.5 | ≥ 4.9.125, < 4.10 | ≥ 4.14.68, < 4.15 | ≥ 4.18.6, < 4.19 | 4.19

  • linux•linux_kernel

    ≥ 3.16.62, < 3.17 | ≥ 3.18.121, < 3.19 | ≥ 4.4.154, < 4.5 | ≥ 4.9.125, < 4.10 | ≥ 4.14.68, < 4.15 | ≥ 4.18.6, < 4.19 | ≥ 4.19, < 5.15.157 | ≥ 5.16, < 6.1.88 | ≥ 6.2, < 6.6.29 | ≥ 6.7, < 6.8.8 | 6.9:rc1 | 6.9:rc2 | 6.9:rc3 | 6.9:rc4

References (15)