CVE-2022-49444

HighCVSS 7.1/10Last modified Nov 5, 2026

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]

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
LinuxLinux>= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6, < 09cb6663618a74fe5572a4931ecbf098832e79ec; >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6, < 921630e2e5124a04158129a8f22f4b425e61a858; >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6, < 45a76414b6d8b8b39c23fea53b9d20e831ae72a0; >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6, < 391e982bfa632b8315235d8be9c0a81374c6a19c; 05d891e76dde3e430c707dae7d85139794eeadbd; d802672c7f00963613f289579073ac519f0d306c; 214aa69cac91a723239118bbbfe77d5654ddff6b; >= 5.4.110, < 5.5; >= 5.10.26, < 5.11; >= 5.11.3, < 5.12
LinuxLinux5.12

References

Timeline

Published
Feb 26, 2025
Last modified
Nov 5, 2026
NVD status
Analyzed

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CVE-2022-49444: High severity, CVSS 7.1 | Vulnix