netfilter: nf_tables: initialize registers in nft_do_chain()
Priority LOW 25Published · 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
- Partial Red Hat: 2 without a fix
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: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.
Why it matters now
EPSS 0.00288 21st percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.9.309, 4.14.274, 4.19.237 +6Red Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.13 and later | 4.9.309, 4.14.274, 4.19.237, 5.4.188, 5.10.109, 5.15.32, 5.16.18, 5.17.1, 5.18 | Patch available | CNA |
- Linux VendorLinux Affected 3.13 and later Fixed in 4.9.309, 4.14.274, 4.19.237, 5.4.188, 5.10.109, 5.15.32, 5.16.18, 5.17.1, 5.18 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.13 to before 4.9.309; 4.10 to before 4.14.274; 4.15 to before 4.19.237; 4.20 to before 5.4.188; 5.5 to before 5.10.109; 5.11 to before 5.15.32; 5.16 to before 5.16.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:*:*:*:*:*:*:* | 5.17 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.13 to before 4.9.309; 4.10 to before 4.14.274; 4.15 to before 4.19.237; 4.20 to before 5.4.188; 5.5 to before 5.10.109; 5.11 to before 5.15.32; 5.16 to before 5.16.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:*:*:*:*:*:*:* Versions 5.17 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.309, 4.14.274, 4.19.237, 5.4.188, 5.10.109, 5.15.32, 5.16.18, 5.17.1, 5.18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49293
- 2026-10-03 Alias added: GHSA-jrq8-cmr8-f5vr
References
Patch 9
- https://git.kernel.org/stable/c/4d28522acd1c4415c85f6b33463713a268f68965
- https://git.kernel.org/stable/c/a3cc32863b175168283cb0a5fde08de6a1e27df9
- https://git.kernel.org/stable/c/88791b79a1eb2ba94e95d039243e28433583a67b
- https://git.kernel.org/stable/c/06f0ff82c70241a766a811ae1acf07d6e2734dcb
- https://git.kernel.org/stable/c/2c74374c2e88c7b7992bf808d9f9391f7452f9d9
- https://git.kernel.org/stable/c/fafb904156fbb8f1dd34970cd5223e00b47c33be
- https://git.kernel.org/stable/c/64f24c76dd0ce53d0fa3a0bfb9aeea507c769485
- https://git.kernel.org/stable/c/dd03640529204ef4b8189fbdea08217d8d98271f
- https://git.kernel.org/stable/c/4c905f6740a365464e91467aa50916555b28213d
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-2022-49293 · CVE Program
- CVE-2022-49293 · NVD
- FIRST EPSS
- GHSA-jrq8-cmr8-f5vr · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49293 · Red Hat security data · CC BY 4.0
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