dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()
Priority LOW 24Published · 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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove() A clk_prepare_enable() call in the probe is not balanced by a corresponding clk_disable_unprepare() in the remove function. Add the missing call.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00202 10th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.9.334, 4.14.300, 4.19.267 +5
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 | 4.9.104 to before 4.9.334; 4.14.45 to before 4.14.300 | 4.9.334, 4.14.300 | Patch available | CNA |
| Linux | Linux | 4.16 and later | 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9, 6.1 | Patch available | CNA |
- Linux VendorLinux Affected 4.9.104 to before 4.9.334; 4.14.45 to before 4.14.300 Fixed in 4.9.334, 4.14.300 Patch available CNA
- Linux VendorLinux Affected 4.16 and later Fixed in 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9, 6.1 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.9.104 to before 4.9.334; 4.14.45 to before 4.14.300; 4.16 to before 4.19.267; 4.20 to before 5.4.225; 5.5 to before 5.10.155; 5.11 to before 5.15.79; 5.16 to before 6.0.9 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* | 6.1 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* | 6.1 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* | 6.1 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* | 6.1 rc4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.9.104 to before 4.9.334; 4.14.45 to before 4.14.300; 4.16 to before 4.19.267; 4.20 to before 5.4.225; 5.5 to before 5.10.155; 5.11 to before 5.15.79; 5.16 to before 6.0.9 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* Versions 6.1 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* Versions 6.1 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* Versions 6.1 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* Versions 6.1 rc4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.334, 4.14.300
- Fix · CNA Linux (Linux) Fixed in 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9, 6.1
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-2022-49861
- 2026-10-03 Alias added: GHSA-6555-7w66-v874
References
Patch 8
- https://git.kernel.org/stable/c/04f2cc56d80a1ac058045a7835c5bfd910f17863
- https://git.kernel.org/stable/c/4b6641c3a2ba95ddcfecec263b4a5e572a4b0641
- https://git.kernel.org/stable/c/20479886b40c0ed4864a5fc8490a1f6b70cccf1b
- https://git.kernel.org/stable/c/1d84887327659c58a6637060ac8c50c3a952a163
- https://git.kernel.org/stable/c/0b7ee3d50f32d277bf024b4ddb4de54da43a3025
- https://git.kernel.org/stable/c/992e966caf57e00855edbd79f19d911809732a69
- https://git.kernel.org/stable/c/a1cb72e20a64a3c83f9b4ee993fbf97e4c1d7714
- https://git.kernel.org/stable/c/081195d17a0c4c636da2b869bd5809d42e8cbb13
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Sources
- CVE-2022-49861 · CVE Program
- CVE-2022-49861 · NVD
- FIRST EPSS
- GHSA-6555-7w66-v874 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49861 · Red Hat security data · CC BY 4.0
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