CVE-2024-44944 json
netfilter: ctnetlink: use helper function to calculate expect ID
published 2024-08-30 2 y ago modified 2026-10-15 25 d ago also EUVD-2024-41244
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Linux Linux 3.17, 4.5, 4.10, 4.15, 4.19.320, 5.1, 5.4.282, 5.10.224, 5.15.165, 6.1.103, 6.6.44, 6.10.3, 6.11
- Siemens RUGGEDCOM RST2428P V3.1
- Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family V3.1
- Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
- Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.5
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem V1.1.1
- Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
- linux Debian 12 6.1.106-1
- linux Debian 14, Debian 13 6.10.3-1
debian advisories DEBIAN-CVE-2024-44944
- linux Ubuntu 20.04 LTS 5.4.0-200.220
- linux Ubuntu 22.04 LTS 5.15.0-125.135
- linux Ubuntu 24.04 LTS 6.8.0-50.51
- linux-aws Ubuntu 20.04 LTS 5.4.0-1135.145
- linux-aws Ubuntu 22.04 LTS 5.15.0-1072.78
- linux-aws Ubuntu 24.04 LTS 6.8.0-1020.22
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1139.148
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1071.79
ubuntu advisories UBUNTU-CVE-2024-44944
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-rt Linux Micro 6.0 6.4.0-11.1
- kernel-source-rt Linux Micro 6.0 6.4.0-11.1
- kernel-livepatch-MICRO-6-0-RT_Update_3 Linux Micro 6.0 1-1.2
- kernel-source Linux Micro 6.0 6.4.0-20.1
- kernel-default Linux Micro 6.0 6.4.0-20.1
- kernel-kvmsmall Linux Micro 6.0 6.4.0-20.1
- kernel-default-base Linux Micro 6.0 6.4.0-17.1.1.51
- kernel-livepatch-MICRO-6-0_Update_3 Linux Micro 6.0 1-1.2
suse advisories SUSE-SU-2025:20077-1SUSE-SU-2025:20073-1SUSE-SU-2024:3592-1SUSE-SU-2024:3587-1SUSE-SU-2024:3569-1SUSE-SU-2024:3564-1
- git.kernel.org/stable/c/66e7650dbbb8e236e781c670b167edc81e771450 commit
- git.kernel.org/stable/c/64c0b8e64be8368617ef08dfc59a3160563a1435 commit
- git.kernel.org/stable/c/eb4ca1a97e08ff5b920664ba292e576257e2d184 commit
- git.kernel.org/stable/c/5e2c24f7b0911b15c29aefce760bcf770542fb61 commit
- git.kernel.org/stable/c/24f407042cf90b0872de667460230d8d50c06c39 commit
- git.kernel.org/stable/c/27662b46f2adaa52c1665a82af4b21c42c4337fd commit
- git.kernel.org/stable/c/74de442b8e12a207c07953ee068009a7701aff8f commit
- git.kernel.org/stable/c/782161895eb4ac45cf7cfa8db375bd4766cb8299 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2024-44944 updated cvss 6.1
kernel: netfilter: ctnetlink: use helper function to calculate expect ID
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 moreaffected: workaround, no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +82 moreaffected: workaround, no fix planned “Will not fix”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-24-102-01 updated cvss 5.5
Siemens SIMATIC S7-1500 TM MFP
-
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystemaffected: mitigation, no fix available
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-25-226-07 updated
Siemens Third-Party Components in SINEC OS
-
Siemens RUGGEDCOM RST2428P (6GK6242-6PA00) Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 familynot affected
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-25-226-15 updated cvss 5.5
Siemens SINEC OS
-
Siemens RUGGEDCOM RST2428P (6GK6242-6PA00) < 3.1 Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family < 3.1affected: fixed in V3.1 support.industry.siemens.com
-
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familynot affected
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-23-348-10 updated cvss 5.5
Siemens SIMATIC S7-1500
-
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.0, < 3.1.5affected: fixed in V3.1.5, mitigation support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Linux Linux
- Siemens RUGGEDCOM RST2428P
- Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family
- Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family
- Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
- Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
- Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
- Technology feeds
References
-
git.kernel.org
/stable/c/66e7650dbbb8e236e781c670b167edc81e771450
patch
-
git.kernel.org
/stable/c/64c0b8e64be8368617ef08dfc59a3160563a1435
patch
-
git.kernel.org
/stable/c/eb4ca1a97e08ff5b920664ba292e576257e2d184
patch
-
git.kernel.org
/stable/c/5e2c24f7b0911b15c29aefce760bcf770542fb61
patch
-
git.kernel.org
/stable/c/24f407042cf90b0872de667460230d8d50c06c39
patch
-
git.kernel.org
/stable/c/27662b46f2adaa52c1665a82af4b21c42c4337fd
patch
-
git.kernel.org
/stable/c/74de442b8e12a207c07953ee068009a7701aff8f
patch
-
git.kernel.org
/stable/c/782161895eb4ac45cf7cfa8db375bd4766cb8299
patch
- zerodayinitiative.com /advisories/ZDI-24-1182/
- lists.debian.org /debian-lts-announce/2025/01/msg00001.html
- lists.debian.org /debian-lts-announce/2024/10/msg00003.html
- cert-portal.siemens.com /productcert/html/ssa-398330.html
- cert-portal.siemens.com /productcert/html/ssa-265688.html
- cert-portal.siemens.com /productcert/html/ssa-613116.html
- cert-portal.siemens.com /productcert/html/ssa-355557.html
Sources
- CVE List CVE-2024-44944
- NVD CVE-2024-44944
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.