7.8

CVE-2023-35001: Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability

Modified
AliasesRHSA-2023:5414RHSA-2023:7243UBUNTU-CVE-2023-35001
Published 05-07-2023Last modified 14-10-2026

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.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.54%
0%100%
Low · +0.04 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 89 · Related 60

Timeline

  1. 05-07-2023
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last 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

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

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.

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
Fedoraproject1 product
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
Show all 40 references