CVE-2022-49444: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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]

Affected products

• Linux Linux Kernel: from 5.4.110, before 5.5 (fixed in 5.5); from 5.10.26, before 5.11 (fixed in 5.11); from 5.11.3, before 5.15.54 (fixed in 5.15.54); from 5.16, before 5.17.14 (fixed in 5.17.14); from 5.18, before 5.18.3 (fixed in 5.18.3)

Published 2025-02-26. Last modified 2026-06-17.