Use After Free in Linux Kernel
CVE-2023-3610
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerability requires CAP_NET_ADMIN to be triggered. We recommend upgrading past commit 4bedf9eee016286c835e3d8fa981ddece5338795.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (15.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.5% 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
- Linux Kernel — versions 5.9
- Linux Kernel
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit (Patch, Mailing List, patch, Vendor Advisory)
- kernel.dance/4bedf9eee016286c835e3d8fa981ddece5338795 (Patch, Vendor Advisory)
- www.debian.org/security/2023/dsa-5461 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/08/msg00001.html (Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230818-0005/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3610?
- CVE-2023-3610 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-07-21.
- How severe is CVE-2023-3610?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-3610 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.