Buffer overflow in Linux Kernel
CVE-2023-35001
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
Vulnerability class: Buffer Overflow
EPSS: 0.002 (45.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Linux Kernel — versions v3.13-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/… (issue-tracking)
- www.openwall.com/lists/oss-security/2023/07/05/3 (mailing-list)
- www.openwall.com/lists/oss-security/2023/07/05/3
- www.debian.org/security/2023/dsa-5453
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096…
- lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- security.netapp.com/advisory/ntap-20230824-0007/
- packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097…
Frequently asked questions
- What is CVE-2023-35001?
- CVE-2023-35001 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-07-05.
- How severe is CVE-2023-35001?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-35001 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.