Description
An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
Scores
CVSS v3
5.3
EPSS
0.0032
EPSS Percentile
23.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
Details
CWE
CWE-416
Status
published
Products (2)
linux/linux_kernel
5.3 rc1
linux/linux_kernel
4.19 - 4.19.64
Published
Nov 28, 2020
Tracked Since
Feb 18, 2026