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CVE-2022-50860

HIGHCVSS 7.8/10EPSS 0.21%

Last modified

CVE-2022-50860 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in alloc_ns() After changes in commit a1bd627b46d1 ("apparmor: share profile name on replacement"), the hname member of struct aa_policy is not valid slab object, but a subset of that, it can not be freed by kfree_sensitive(), use aa_policy_destroy() to fix it.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in alloc_ns() After changes in commit a1bd627b46d1 ("apparmor: share profile name on replacement"), the hname member of struct aa_policy is not valid slab object, but a subset of that, it can not be freed by kfree_sensitive(), use aa_policy_destroy() to fix it.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.21%

11.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

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

VendorProductVersions
LinuxLinux>= a1bd627b46d169268a0ee5960899fb5be960a317, < 9a32aa87a25d800b2c6f47bc2749a7bfd9a486f3; >= a1bd627b46d169268a0ee5960899fb5be960a317, < 5f509fa740b17307f0cba412485072f632d5af36; >= a1bd627b46d169268a0ee5960899fb5be960a317, < 0250cf8d37bb5201a117177afd24dc73a1c81657; >= a1bd627b46d169268a0ee5960899fb5be960a317, < 12695b4b76d437b9c0182a6f7dfb2248013a9daf; >= a1bd627b46d169268a0ee5960899fb5be960a317, < e9e6fa49dbab6d84c676666f3fe7d360497fd65b
LinuxLinux4.13

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2022-50860?
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in alloc_ns() After changes in commit a1bd627b46d1 ("apparmor: share profile name on replacement"), the hname member of struct aa_policy is not valid slab object, but a subset of that, it can not be freed by kfree_sensitive(), use aa_policy_destroy() to fix it.
How severe is CVE-2022-50860?
CVE-2022-50860 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2022-50860?
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