Riskcovery

CVE-2022-49444

module: fix [e_shstrndx].sh_size=0 OOB access

State
Published
Severity
Not scored
Published
Feb 26, 2025
Updated
May 23, 2026
Reserved
Feb 26, 2025

Read the record on cve.org

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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to before 09cb6663618a74fe5572a4931ecbf098832e79ecAffected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to before 921630e2e5124a04158129a8f22f4b425e61a858Affected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to before 45a76414b6d8b8b39c23fea53b9d20e831ae72a0Affected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to before 391e982bfa632b8315235d8be9c0a81374c6a19cAffected
  • 05d891e76dde3e430c707dae7d85139794eeadbdAffected
  • d802672c7f00963613f289579073ac519f0d306cAffected
  • 214aa69cac91a723239118bbbfe77d5654ddff6bAffected
  • 5.4.110 to before 5.5Affected
  • 5.10.26 to before 5.11Affected
  • 5.11.3 to before 5.12Affected
LinuxLinux
  • 5.12Affected
  • before 5.12Not affected
  • 5.15.54 through 5.15.*Not affected
  • 5.17.14 through 5.17.*Not affected
  • 5.18.3 through 5.18.*Not affected
  • 5.19 and laterNot affected

References

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