netfilter: flowtable: initialise extack before use
Priority LOW 24CWE-665Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialise extack before use Fix missing initialisation of extack in flow offload.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.225, 5.15.166, 6.1.107 +3Red Hat: 4 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.5 and later | 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 5.5 and later Fixed in 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.107; 6.2 to before 6.6.48; 6.7 to before 6.10.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* | 6.11 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* | 6.11 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:* | 6.11 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.107; 6.2 to before 6.6.48; 6.7 to before 6.10.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* Versions 6.11 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* Versions 6.11 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:* Versions 6.11 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11
Red Hat 4 advisories
- RHSA-2024:10939 Released 2024-12-11 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-503.16.1.el9_5, libperf-5.14.0-503.16.1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.16.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.16.1.el9_5, kernel-64k-devel-5.14.0-503.16.1.el9_5 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.16.1.el9_5, kernel-5.14.0-503.16.1.el9_5, kernel-64k-5.14.0-503.16.1.el9_5 +30
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.16.1.el9_5, kernel-rt-core-5.14.0-503.16.1.el9_5, kernel-rt-debug-5.14.0-503.16.1.el9_5 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.16.1.el9_5, kernel-rt-core-5.14.0-503.16.1.el9_5, kernel-rt-debug-5.14.0-503.16.1.el9_5 +11
- RHSA-2024:8856 Released 2024-11-05 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.27.1.el8_10, kernel-4.18.0-553.27.1.el8_10, kernel-abi-stablelists-4.18.0-553.27.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.27.1.el8_10
- RHSA-2024:8870 Released 2024-11-05 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-core-4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-4.18.0-553.27.1.rt7.368.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-core-4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-4.18.0-553.27.1.rt7.368.el8_10 +7
Show 1 more Red Hat advisories
- RHSA-2024:8617 Released 2024-10-30 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.42.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.42.1.el9_4, kernel-64k-devel-5.14.0-427.42.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.42.1.el9_4, kernel-5.14.0-427.42.1.el9_4, kernel-64k-5.14.0-427.42.1.el9_4 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.42.1.el9_4, libperf-5.14.0-427.42.1.el9_4
- Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.42.1.el9_4, kernel-rt-core-5.14.0-427.42.1.el9_4, kernel-rt-debug-5.14.0-427.42.1.el9_4 +11
- Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.42.1.el9_4, kernel-rt-core-5.14.0-427.42.1.el9_4, kernel-rt-debug-5.14.0-427.42.1.el9_4 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:10939 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:10939, RHSA-2024:8617 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:8856 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:10939, RHSA-2024:8617 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:8856 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:8617 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2024:8870 |
| Red Hat Enterprise Linux NFV (v. 9) | Fixed | RHSA-2024:8617 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2024:8870 |
| Red Hat Enterprise Linux RT (v. 9) | Fixed | RHSA-2024:8617 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2024:10939 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2024:10939 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45018
- 2026-10-03 Alias added: GHSA-jrpv-cgg9-hfmj
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 6
- https://git.kernel.org/stable/c/e5ceff2196dc633c995afb080f6f44a72cff6e1d
- https://git.kernel.org/stable/c/356beb911b63a8cff34cb57f755c2a2d2ee9dec7
- https://git.kernel.org/stable/c/7eafeec6be68ebd6140a830ce9ae68ad5b67ec78
- https://git.kernel.org/stable/c/c7b760499f7791352b49b11667ed04b23d7f5b0f
- https://git.kernel.org/stable/c/119be227bc04f5035efa64cb823b8a5ca5e2d1c1
- https://git.kernel.org/stable/c/e9767137308daf906496613fd879808a07f006a2
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2024-45018 · CVE Program
- CVE-2024-45018 · NVD
- FIRST EPSS
- GHSA-jrpv-cgg9-hfmj · GitHub Advisory Database · CC BY 4.0
- CVE-2024-45018 · Red Hat security data · CC BY 4.0
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