{"id":"CVE-2022-50415","state":"PUBLISHED","title":"parisc: led: Fix potential null-ptr-deref in start_task()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: led: Fix potential null-ptr-deref in start_task()\n\nstart_task() calls create_singlethread_workqueue() and not checked the\nret value, which may return NULL. And a null-ptr-deref may happen:\n\nstart_task()\n    create_singlethread_workqueue() # failed, led_wq is NULL\n    queue_delayed_work()\n        queue_delayed_work_on()\n            __queue_delayed_work()  # warning here, but continue\n                __queue_work()      # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL.","publishedAt":"2025-09-18T16:03:58.836Z","updatedAt":"2026-05-11T19:19:03.061Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"c6db0c32f39684c89c97bc1ba1c9c4249ca09e48","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"fc6d0f65f22040c6cc8a5ce032bf90252629de50","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"5e4500454d75dd249be4695d83afa3ba0724c37e","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"3505c187b86136250b39e62c72a3a70435277af6","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"ac838c663ba1fd6bff35a817fd89a47ab55e88e0","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"77f8b628affaec692d83ad8bfa3520db8a0cc493","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"67c98fec87ed76b1feb2ae810051afd88dfa9df6","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"41f563ab3c33698bdfc3403c7c2e6c94e73681e4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/led.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.15","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.87","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.18","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.4","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/led.c"]}],"references":["https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48","https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50","https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e","https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e","https://git.kernel.org/stable/c/3505c187b86136250b39e62c72a3a70435277af6","https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0","https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493","https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6","https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50415.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50415","state":"PUBLISHED","datePublished":"2025-09-18T16:03:58.836Z","dateUpdated":"2026-05-11T19:19:03.061Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:53:07.003Z"},"containers":{"cna":{"title":"parisc: led: Fix potential null-ptr-deref in start_task()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: led: Fix potential null-ptr-deref in start_task()\n\nstart_task() calls create_singlethread_workqueue() and not checked the\nret value, which may return NULL. And a null-ptr-deref may happen:\n\nstart_task()\n    create_singlethread_workqueue() # failed, led_wq is NULL\n    queue_delayed_work()\n        queue_delayed_work_on()\n            __queue_delayed_work()  # warning here, but continue\n                __queue_work()      # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"c6db0c32f39684c89c97bc1ba1c9c4249ca09e48","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"fc6d0f65f22040c6cc8a5ce032bf90252629de50","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"5e4500454d75dd249be4695d83afa3ba0724c37e","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"3505c187b86136250b39e62c72a3a70435277af6","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"ac838c663ba1fd6bff35a817fd89a47ab55e88e0","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"77f8b628affaec692d83ad8bfa3520db8a0cc493","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"67c98fec87ed76b1feb2ae810051afd88dfa9df6","versionType":"git"},{"version":"3499495205a676d85fcc2f3c28e35ec9b43c47e3","status":"affected","lessThan":"41f563ab3c33698bdfc3403c7c2e6c94e73681e4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/led.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.15","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.87","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.18","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.4","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/led.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48"},{"url":"https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50"},{"url":"https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e"},{"url":"https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e"},{"url":"https://git.kernel.org/stable/c/3505c187b86136250b39e62c72a3a70435277af6"},{"url":"https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0"},{"url":"https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493"},{"url":"https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6"},{"url":"https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:19:03.061Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"5.15.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"6.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"6.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.15","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-50415","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T19:10:10.706526Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T19:13:09.643Z"}}]}}}