rxrpc: Fix rxkad crypto unalignment handling
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · 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: rxrpc: Fix rxkad crypto unalignment handling Fix handling of a packet with a misaligned crypto length. Also handle non-ENOMEM errors from decryption by aborting. Further, remove the WARN_ON_ONCE() so that it can't be remotely triggered (a trace line can still be emitted).
Why it matters now
EPSS 0.00441 38th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.6.140, 6.12.86, 6.18.27 +3
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 | 6.6.135 to before 6.6.140; 6.12.82 to before 6.12.86; 6.18.23 to before 6.18.27; 6.19.13 to before 6.20 | 6.6.140, 6.12.86, 6.18.27, 6.20 | Patch available | CNA |
| Linux | Linux | 7.0 and later | 6.6.140, 6.12.86, 6.18.27, 7.0.4, 7.1 | Patch available | CNA |
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.140, 6.12.86, 6.18.27, 6.20
- Fix · CNA Linux (Linux) Fixed in 6.6.140, 6.12.86, 6.18.27, 7.0.4, 7.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- 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-2026-46085
- 2026-10-03 Alias added: GHSA-rxpw-r754-hvr4
- 2026-10-20 Affected versions changed · Red Hat
References
Patch 5
- https://git.kernel.org/stable/c/f1c6bd0cc786a8fa74829ce3c4b3673944a308f4
- https://git.kernel.org/stable/c/440d20d95e844b657a93a0b2dcc2aae155efdce6
- https://git.kernel.org/stable/c/f0d3efd03b2a9e0f1ffa6df8fcb264af3d494286
- https://git.kernel.org/stable/c/af9271eb666d07b6f65612dc160a47f7cb5220ed
- https://git.kernel.org/stable/c/def304aae2edf321d2671fd6ca766a93c21f877e
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-2026-46085 · CVE Program
- CVE-2026-46085 · NVD
- FIRST EPSS
- GHSA-rxpw-r754-hvr4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-46085 · Red Hat security data · CC BY 4.0
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