What’s Vulnerable › Vulnerabilities
CVE-2024-44944: netfilter: ctnetlink: use helper function to calculate expect ID
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-08-30 · updated 2026-10-15
- Weakness: CWE-401
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: use helper function to calculate expect ID Delete expectation path is missing a call to the nf_expect_get_id() helper function to calculate the expectation ID, otherwise LSB of the expectation object address is leaked to userspace.
Affected products
- Linux kernel: from 5.2 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.103; from 6.2 before 6.6.44; from 6.7 before 6.10.3 — fixed in 5.10.224, 5.15.165, 5.4.282, 6.1.103, 6.10.3, 6.6.44
How to fix
Upgrade to a fixed version: Linux kernel 5.10.224, 5.15.165, 5.4.282, 6.1.103. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/24f407042cf90b0872de667460230d8d50c06c39
- https://git.kernel.org/stable/c/27662b46f2adaa52c1665a82af4b21c42c4337fd
- https://git.kernel.org/stable/c/5e2c24f7b0911b15c29aefce760bcf770542fb61
- https://git.kernel.org/stable/c/64c0b8e64be8368617ef08dfc59a3160563a1435
- https://git.kernel.org/stable/c/66e7650dbbb8e236e781c670b167edc81e771450
- https://git.kernel.org/stable/c/74de442b8e12a207c07953ee068009a7701aff8f
- https://git.kernel.org/stable/c/782161895eb4ac45cf7cfa8db375bd4766cb8299
- https://git.kernel.org/stable/c/eb4ca1a97e08ff5b920664ba292e576257e2d184
- https://www.zerodayinitiative.com/advisories/ZDI-24-1182/
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Get alerted when CVE-2024-44944 or the next vulnerability affects your stack