crypto: aead,cipher - zeroize key buffer after use
Priority LOW 19Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 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: crypto: aead,cipher - zeroize key buffer after use I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding cryptographic information should be zeroized once they are no longer needed. Accomplish this by using kfree_sensitive for buffers that previously held the private key.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.323, 5.4.285, 5.10.222 +5Red Hat: 3 without a fix
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 | 2.6.23 and later | 4.19.323, 5.4.285, 5.10.222, 5.15.163, 6.1.98, 6.6.39, 6.9.9, 6.10 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.23 and later Fixed in 4.19.323, 5.4.285, 5.10.222, 5.15.163, 6.1.98, 6.6.39, 6.9.9, 6.10 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.10.222; 5.11 to before 5.15.163; 5.16 to before 6.1.98; 6.2 to before 6.6.39; 6.7 to before 6.9.9 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10.222; 5.11 to before 5.15.163; 5.16 to before 6.1.98; 6.2 to before 6.6.39; 6.7 to before 6.9.9 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.323, 5.4.285, 5.10.222, 5.15.163, 6.1.98, 6.6.39, 6.9.9, 6.10
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: Will not fix |
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2024-42229
- 2026-10-03 Alias added: GHSA-m5g2-rqpc-h5hr
References
Patch 6
- https://git.kernel.org/stable/c/9db8c299a521813630fcb4154298cb60c37f3133
- https://git.kernel.org/stable/c/71dd428615375e36523f4d4f7685ddd54113646d
- https://git.kernel.org/stable/c/28c8d274848feba552e95c5c2a7e3cfe8f15c534
- https://git.kernel.org/stable/c/b502d4a08875ea2b4ea5d5b28dc7c991c8b90cfb
- https://git.kernel.org/stable/c/f58679996a831754a356974376f248aa0af2eb8e
- https://git.kernel.org/stable/c/23e4099bdc3c8381992f9eb975c79196d6755210
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-2024-42229 · CVE Program
- CVE-2024-42229 · NVD
- FIRST EPSS
- GHSA-m5g2-rqpc-h5hr · GitHub Advisory Database · CC BY 4.0
- CVE-2024-42229 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences