7.1

CVE-2022-49444: module: fix [e_shstrndx].sh_size=0 OOB access

Analyzed
AliasesUBUNTU-CVE-2022-49444DEBIAN-CVE-2022-49444
Published 26-02-2025Last modified 23-05-2026

Vulnerability summary

CVE-2022-49444 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5
SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1241-1SUSE-SU-2025:1293-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.29% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu108 products
  • linuxAll versions (No fix recorded) | < 5.15.0-50.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1021.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 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 | 5.12
  • linux_kernel≥ 5.4.110, < 5.5 | ≥ 5.10.26, < 5.11 | ≥ 5.11.3, < 5.15.54 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
  • linux< 5.18.5-1

3 vendors · 111 products

References

8 links