01 Record

CVE-2022-39188

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.22% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 13.1% of scored records. A rank, not a probability.
NVD base score: 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2022-09-02 00:00Z4 YR AGO

Last updated

2024-08-03 12:00Z2 YR AGO

Reserved

2022-09-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
CWE-416Use After FreeVariant

Data version

5.1

Document digest

a6d30c597045fd51e836a97b6a1761e287b89effb14bd6c759678a79bceb4b74

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

linuxlinux_kernelNot specified—

redhatenterprise_linuxNot specified—

redhatrhel_eusNot specified—

redhatrhev_hypervisorNot specified—

06 References

bugs.chromium.orghttps://bugs.chromium.org/p/project-zero/issues/detail?id=2329
lore.kernel.orghttps://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/
cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
github.comhttps://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15
git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15
lists.debian.org[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlmailing-list
www.debian.orgDSA-5257https://www.debian.org/security/2022/dsa-5257vendor-advisory
lists.debian.org[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security updatehttps://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlmailing-list

01 Record index

CVE-2022-39188

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2022-39188

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References