4.7

CVE-2023-26545: debian debian_linux Double Free

Analyzed
AliasesSUSE-SU-2023:1579-1SUSE-SU-2023:1588-1SUSE-SU-2023:1599-1
Published 25-02-2023Last modified 20-03-2025

Vulnerability summary

CVE-2023-26545 is a medium (CVSS 4.7) Double Free vulnerability in debian debian_linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
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 60 · Related 51
DLA-3403-1DLA-3404-1MGASA-2023-0087MGASA-2023-0088RHSA-2023:6583RHSA-2023:6901

Timeline

  1. 25-02-2023
    PublishedVulnerability first disclosed.
  2. 20-03-2025
    Last modifiedVulnerability information updated.

Description

In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.33% 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.

Ubuntu91 products
  • linux< 4.4.0-239.273 | < 4.15.0-209.220 | < 5.4.0-147.164 | < 5.15.0-70.77
  • linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1154.167 | < 5.4.0-1100.108 | < 5.15.0-1034.38
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Suse8 products
  • kernel-livepatch-SLE15-SP1_Update_30&distro=SUSE Linux Enterprise Live Patching 15 SP1< 13-150100.2.3
  • kernel-livepatch-SLE15-SP1_Update_34&distro=SUSE Linux Enterprise Live Patching 15 SP1< 5-150100.2.3
  • kernel-livepatch-SLE15-SP1_Update_35&distro=SUSE Linux Enterprise Live Patching 15 SP1< 5-150100.2.3
  • kernel-livepatch-SLE15-SP1_Update_37&distro=SUSE Linux Enterprise Live Patching 15 SP1< 2-150100.2.3
  • kgraft-patch-SLE12-SP4_Update_30&distro=SUSE Linux Enterprise Live Patching 12 SP4< 6-2.3
Netapp5 products
Debian2 products
Linux1 product

5 vendors · 107 products

References

35 links
Show all 35 references