CVE-2022-50415
parisc: led: Fix potential null-ptr-deref in start_task()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in start_task() start_task() calls create_singlethread_workqueue() and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: start_task() create_singlethread_workqueue() # failed, led_wq is NULL queue_delayed_work() queue_delayed_work_on() __queue_delayed_work() # warning here, but continue __queue_work() # access wq->flags, null-ptr-deref Check the ret value and return -ENOMEM if it is NULL.
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < c6db0c32f39684c89c97bc1ba1c9c4249ca09e48
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < fc6d0f65f22040c6cc8a5ce032bf90252629de50
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < 5e4500454d75dd249be4695d83afa3ba0724c37e
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < 3505c187b86136250b39e62c72a3a70435277af6
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < ac838c663ba1fd6bff35a817fd89a47ab55e88e0
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < 77f8b628affaec692d83ad8bfa3520db8a0cc493
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < 67c98fec87ed76b1feb2ae810051afd88dfa9df6
- affected 3499495205a676d85fcc2f3c28e35ec9b43c47e3 – < 41f563ab3c33698bdfc3403c7c2e6c94e73681e4
- affected 2.6.15
- unaffected < 2.6.15
- unaffected 4.9.337 – ≤ 4.9.*
- unaffected 4.14.303 – ≤ 4.14.*
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.87 – ≤ 5.15.*
- unaffected 6.0.18 – ≤ 6.0.*
- unaffected 6.1.4 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (9)
- https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48 (opens in a new tab)
- https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50 (opens in a new tab)
- https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e (opens in a new tab)
- https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e (opens in a new tab)
- https://git.kernel.org/stable/c/3505c187b86136250b39e62c72a3a70435277af6 (opens in a new tab)
- https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0 (opens in a new tab)
- https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493 (opens in a new tab)
- https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6 (opens in a new tab)
- https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50415)Record last updated .