CVE-2019-20934
- Source
- https://cve.org/CVERecord?id=CVE-2019-20934
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20934.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2019-20934
- Downstream
- Related
- Published
- 2020-11-28T07:15:11.037Z
- Modified
- 2026-02-21T01:32:41.659076Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 shownumastats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.
- References
-
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed16d51a590a8ce3befb1308e0e7ab77f3b661af33Introduced84df9525b0c27f3ebc2ebb1864fa62a97fdedb7dFixed16d51a590a8ce3befb1308e0e7ab77f3b661af33
Affected versions
v4.*
v4.19
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
v5.*
v5.0
v5.0-rc1
v5.0-rc2
v5.0-rc3
v5.0-rc4
v5.0-rc5
v5.0-rc6
v5.0-rc7
v5.0-rc8
v5.1
v5.1-rc1
v5.1-rc2
v5.1-rc3
v5.1-rc4
v5.1-rc5
v5.1-rc6
v5.1-rc7
v5.2
v5.2-rc1
v5.2-rc2
v5.2-rc3
v5.2-rc4
v5.2-rc5
v5.2-rc6
v5.2-rc7
v5.3-rc1