CVE-2022-39188

Katalog CVE

CVSS 4.7 · Medium EPSS 0,22%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada linux kernel, debian linux. Skor CVSS 3.1 4.7 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

2 September 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

0,22% peluang dieksploitasi; lebih tinggi dari 12,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19 patch · release notes · advisory vendor
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe... patch · advisory vendor
• https://bugs.chromium.org/p/project-zero/issues/detail?id=2329 issue tracking · patch · advisory pihak ketiga
• https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15 patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5257 advisory pihak ketiga
• https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/