CVE-2022-39188: debian debian_linux
Vulnerability summary
CVE-2022-39188 is a medium (CVSS 4.7) vulnerability in debian debian_linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.9% of scored vulnerabilities.
Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 59 · Related 49Timeline
- 02-09-2022PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability 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
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu80 products
- linux< 5.4.0-136.153 | < 5.15.0-57.63
- linux-aws< 5.4.0-1093.101 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Suse9 products
- kernel-livepatch-SLE15_Update_30&distro=SUSE Linux Enterprise Live Patching 15< 5-150000.2.2
- kernel-livepatch-SLE15_Update_31&distro=SUSE Linux Enterprise Live Patching 15< 3-150000.2.2
- kernel-livepatch-SLE15_Update_32&distro=SUSE Linux Enterprise Live Patching 15< 3-150000.2.2
- kernel-livepatch-SLE15-SP4_Update_2&distro=SUSE Linux Enterprise Live Patching 15 SP4< 3-150400.2.2
- kgraft-patch-SLE12-SP4_Update_27&distro=SUSE Linux Enterprise Live Patching 12 SP4< 5-2.2
Debian2 products
- linux< 5.19.6-1
- debian_linuxEOL10.0 | 11.0
Linux1 product
- linux_kernel< 5.19
4 vendors · 92 products
References
36 links- github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15REPORTPatchThird Party Advisory