DEBIAN-CVE-2022-39188
Advisory lineage Upstream: 1 Downstream: 3
Upstream
Downstream
Published: 02 Sept 2022, 05:15
Last modified:28 Apr 2026, 20:24
Vulnerability Summary
Overall Risk (default)
low
19/100 CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
02 Sept 2022, 05:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:24
Last Modified
Vulnerability information updated
Description
An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.
CVSS Metrics
- v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- debian•linux
< 5.10.149-1 | < 5.19.6-1 | < 5.19.6-1 | < 5.19.6-1