CVE-2023-35001: Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability
Vulnerability summary
CVE-2023-35001 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 89 · Related 60Timeline
- 05-07-2023PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
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
CVSS metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.54%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 1.51% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu102 products
- linux< 3.13.0-194.245 | < 4.4.0-243.277 | < 4.15.0-214.225 | < 5.4.0-155.172 | < 5.15.0-78.85
- linux-aws< 4.4.0-1121.127 | < 4.4.0-1159.174 | < 4.15.0-1159.172 | < 5.4.0-1106.114 | < 5.15.0-1040.45
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Redhat19 products
- bpftool< 0:3.10.0-957.106.1.el7 | < 0:3.10.0-1062.80.1.el7
- bpftool-debuginfo< 0:3.10.0-1062.80.1.el7
- kernel< 0:3.10.0-957.106.1.el7 | < 0:3.10.0-1062.80.1.el7
- kernel-abi-whitelists< 0:3.10.0-957.106.1.el7 | < 0:3.10.0-1062.80.1.el7
- kernel-debug< 0:3.10.0-957.106.1.el7 | < 0:3.10.0-1062.80.1.el7
Netapp5 products
Debian2 products
- linux< 6.1.38-1 | < 6.4.4-1
- debian_linuxEOL11.0
Fedoraproject1 product
- fedoraEOL37 | 38
Linux1 product
- linux_kernelv3.13-rc1 | ≥ 3.13, < 4.14.322 | ≥ 4.15, ≤ 4.19.291 | ≥ 4.20, < 5.4.251 | ≥ 5.5, < 5.10.188 | ≥ 5.11, < 5.15.121 | ≥ 5.16, < 6.1.39 | ≥ 6.2, < 6.4.4
6 vendors · 130 products
References
40 links- lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/Issue TrackingARTICLEREPORTPatchVendor Advisory
- www.debian.org/security/2023/dsa-5453Third Party Advisory
- lists.fedoraproject.org/archives/…Mailing List
- lists.fedoraproject.org/archives/…Mailing List
- packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.htmlThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.htmlThird Party AdvisoryVDB Entry