CVE-2022-39188CWE-362

CVE-2022-39188

Medium · published September 2, 2022

CVSS v3.1
4.7
EPSS
0%
Percentile
14.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00243 · 14.6th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2022-09-02T09:15Z
Affected products (4)
ProductVersionsFixed in
linux/linux_kernel< 5.195.19
debian/debian_linuxall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (19)
https://bugs.chromium.org/p/project-zero/issues/detail?id=2329 · [email protected]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19 · [email protected]https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15 · [email protected]https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15 · [email protected]https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html · [email protected]https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · [email protected]https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/ · [email protected]https://www.debian.org/security/2022/dsa-5257 · [email protected]https://bugs.chromium.org/p/project-zero/issues/detail?id=2329 · af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15 · af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5257 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-769027.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-831302.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 02 SEP 00:00Z
    An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19
    cvelistv5