CVE-2022-49444

HIGH EPSS 19.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: module: fix [e_shstrndx].sh_size=0 OOB access It is trivial to craft a module to trigger OOB access in this line: if (info->secstrings[strhdr->sh_size - 1] != '\0') { BUG: unable to handle page fault for address: ffffc90000aa0fff PGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014 RIP: 0010:load_module+0x19b/0x2391 [rebased patch onto modules-next]

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
19.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥5.4.110  –  <5.5
linuxlinux_kernel*≥5.10.26  –  <5.11
linuxlinux_kernel*≥5.11.3  –  <5.15.54
linuxlinux_kernel*≥5.16  –  <5.17.14
linuxlinux_kernel*≥5.18  –  <5.18.3

References 4

  • git.kernel.org https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858
    Patch