netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()
Priority LOW 31CWE-908Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.4.215, 5.10.146, 5.15.71 +2
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 | 5.2 and later | 5.4.215, 5.10.146, 5.15.71, 5.19.12, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 5.2 and later Fixed in 5.4.215, 5.10.146, 5.15.71, 5.19.12, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.2.0 to before 5.4.215; 5.5.0 to before 5.10.146; 5.11.0 to before 5.15.71; 5.16.0 to before 5.19.12 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.2.0 to before 5.4.215; 5.5.0 to before 5.10.146; 5.11.0 to before 5.15.71; 5.16.0 to before 5.19.12 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.215, 5.10.146, 5.15.71, 5.19.12, 6.0
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-48654
- 2026-10-03 Alias added: GHSA-wjwq-gx2g-vrjg
References
Patch 5
- https://git.kernel.org/stable/c/721ea8ac063d70c2078c4e762212705de6151764
- https://git.kernel.org/stable/c/5d75fef3e61e797fab5c3fbba88caa74ab92ad47
- https://git.kernel.org/stable/c/816eab147e5c6f6621922b8515ad9010ceb1735e
- https://git.kernel.org/stable/c/633c81c0449663f57d4138326d036dc6cfad674e
- https://git.kernel.org/stable/c/559c36c5a8d730c49ef805a72b213d3bba155cc8
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-2022-48654 · CVE Program
- CVE-2022-48654 · NVD
- FIRST EPSS
- GHSA-wjwq-gx2g-vrjg · GitHub Advisory Database · CC BY 4.0
- CVE-2022-48654 · Red Hat security data · CC BY 4.0
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