PNP: fix name memory leak in pnp_alloc_dev()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: PNP: fix name memory leak in pnp_alloc_dev() After commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, move dev_set_name() after pnp_add_id() to avoid memory leak.
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 | 2.6.30 and later | 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.30 and later Fixed in 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.30 to before 4.9.337; 4.10 to before 4.14.303; 4.15 to before 4.19.270; 4.20 to before 5.4.229; 5.5 to before 5.10.163; 5.11 to before 5.15.86; 5.16 to before 6.0.16; 6.1 to before 6.1.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.30 to before 4.9.337; 4.10 to before 4.14.303; 4.15 to before 4.19.270; 4.20 to before 5.4.229; 5.5 to before 5.10.163; 5.11 to before 5.15.86; 5.16 to before 6.0.16; 6.1 to before 6.1.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50278
- 2026-10-03 Alias added: GHSA-fj56-2h43-2hcw
- 2026-11-05 CISA SSVC decision points changed
References
Patch 9
- https://git.kernel.org/stable/c/ea77b4b761cd75e5456f677311babfa0418f289a
- https://git.kernel.org/stable/c/693a0c13c1f0c0fcaa1e38cb806cc0789bd415aa
- https://git.kernel.org/stable/c/bbcf772216aa237036cc3ae3158288d0a95aaf4d
- https://git.kernel.org/stable/c/81b024df4755e6bb6993b786584eca6eabbb9791
- https://git.kernel.org/stable/c/dac87e295cddc8ab316cff14ab2071b5221d84fa
- https://git.kernel.org/stable/c/c12b314bb23dc0c83e03402cc84574700947e3b2
- https://git.kernel.org/stable/c/1f50c7497a5f89de0c31f2edf086af41ff834320
- https://git.kernel.org/stable/c/290dd73b943c95c006df973257076ff163adf4d0
- https://git.kernel.org/stable/c/110d7b0325c55ff3620073ba4201845f59e22ebf
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Sources
- CVE-2022-50278 · CVE Program
- CVE-2022-50278 · NVD
- FIRST EPSS
- GHSA-fj56-2h43-2hcw · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50278 · 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