9.8

CVE-2022-36227: debian debian_linux NULL Pointer Dereference

CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2022-36227MGASA-2022-0453SUSE-SU-2022:4202-1
Published 22-11-2022Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2022-36227 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 2.44% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.44%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
DLA-3950-1USN-7070-1CGA-4M9V-5G4P-XP2MCGA-PWPV-GFCR-GQ38

Timeline

  1. 22-11-2022
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: "In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible, which may lead to code execution."

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

2.44%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.09 pp

From 2.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat8 products
  • bsdcat-debuginfo< 0:3.5.3-4.el9 | < 0:3.3.3-5.el8 | < 0:3.3.3-4.el8_6
  • bsdcpio-debuginfo< 0:3.5.3-4.el9 | < 0:3.3.3-5.el8 | < 0:3.3.3-4.el8_6
  • bsdtar< 0:3.5.3-4.el9 | < 0:3.3.3-5.el8 | < 0:3.3.3-4.el8_6
  • bsdtar-debuginfo< 0:3.5.3-4.el9 | < 0:3.3.3-5.el8 | < 0:3.3.3-4.el8_6
  • libarchive< 0:3.5.3-4.el9 | < 0:3.3.3-5.el8 | < 0:3.3.3-4.el8_6
Suse8 products
  • libarchive&distro=SUSE Linux Enterprise Micro 5.3< 3.5.1-150400.3.12.1
  • libarchive&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 3.4.2-150200.4.15.1
  • libarchive&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 3.5.1-150400.3.12.1
  • libarchive&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 3.4.2-150200.4.15.1
  • libarchive&distro=SUSE Linux Enterprise Module for Development Tools 15 SP4< 3.5.1-150400.3.12.1
Opensuse4 products
  • bsdtar&distro=openSUSE Tumbleweed< 3.6.2-1.1
  • libarchive&distro=openSUSE Leap 15.3< 3.4.2-150200.4.15.1
  • libarchive&distro=openSUSE Leap 15.4< 3.5.1-150400.3.12.1
  • libarchive&distro=openSUSE Leap Micro 5.3< 3.5.1-150400.3.12.1
Debian2 products
Alpine1 product
  • libarchive≥ 3.0.0, < 3.5.3-r1 | ≥ 3.0.0, < 3.6.1-r1 | ≥ 3.0.0, < 3.6.1-r2
Chainguard1 product
  • libarchive< 3.6.1-r2
Fedoraproject1 product
Libarchive1 product
Mageia1 product
  • libarchive< 3.6.1-1.1.mga8
Splunk1 product
Ubuntu1 product
  • libarchive< 3.1.2-7ubuntu2.8+esm3 | < 3.1.2-11ubuntu0.16.04.8+esm1 | < 3.2.2-3.1ubuntu0.7+esm1 | < 3.4.0-2ubuntu1.3 | < 3.6.0-1ubuntu1.2
Wolfi1 product
  • libarchive< 3.6.1-r2

12 vendors · 30 products

References

34 links
Show all 34 references