um: line: always fill *error_out in setup_one_line()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-824 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: um: line: always fill *error_out in setup_one_line() The pointer isn't initialized by callers, but I have encountered cases where it's still printed; initialize it in all possible cases in setup_one_line().
Why it matters now
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 | 3.4 and later | 4.19.322, 5.4.284, 5.10.226, 5.15.167, 6.1.110, 6.6.51, 6.10.10, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 3.4 and later Fixed in 4.19.322, 5.4.284, 5.10.226, 5.15.167, 6.1.110, 6.6.51, 6.10.10, 6.11 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.19.322; 4.20 to before 5.4.284; 5.5 to before 5.10.226; 5.11 to before 5.15.167; 5.16 to before 6.1.110; 6.2 to before 6.6.51; 6.7 to before 6.10.10 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.19.322; 4.20 to before 5.4.284; 5.5 to before 5.10.226; 5.11 to before 5.15.167; 5.16 to before 6.1.110; 6.2 to before 6.6.51; 6.7 to before 6.10.10 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.322, 5.4.284, 5.10.226, 5.15.167, 6.1.110, 6.6.51, 6.10.10, 6.11
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2024-46844
- 2026-10-03 Alias added: GHSA-xv9p-58xx-4r8r
References
Patch 8
- https://git.kernel.org/stable/c/3bedb7ce080690d0d6172db790790c1219bcbdd5
- https://git.kernel.org/stable/c/96301fdc2d533a196197c055af875fe33d47ef84
- https://git.kernel.org/stable/c/c8944d449fda9f58c03bd99649b2df09948fc874
- https://git.kernel.org/stable/c/43f782c27907f306c664b6614fd6f264ac32cce6
- https://git.kernel.org/stable/c/289979d64573f43df1d0e6bc6435de63a0d69cdf
- https://git.kernel.org/stable/c/ec5b47a370177d79ae7773858042c107e21f8ecc
- https://git.kernel.org/stable/c/fc843d3837ebcb1c16d3768ef3eb55e25d5331f2
- https://git.kernel.org/stable/c/824ac4a5edd3f7494ab1996826c4f47f8ef0f63d
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-2024-46844 · CVE Program
- CVE-2024-46844 · NVD
- FIRST EPSS
- GHSA-xv9p-58xx-4r8r · GitHub Advisory Database · CC BY 4.0
- CVE-2024-46844 · 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