Double Free in Linux Kernel
CVE-2023-26545
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.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/fda6c89fe3d9aca073495a664e1d5aea28cd4377 (Patch)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Mailing List, Issue Tracking)
- cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13 (Release Notes)
- security.netapp.com/advisory/ntap-20230316-0009/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/05/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/05/msg00006.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-26545?
- CVE-2023-26545 is a medium-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 4.7/10. Published 2023-02-25.
- How severe is CVE-2023-26545?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2023-26545 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.