CVE-2022-50535
MediumIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null-deref in dm_resume [Why] Fixing smatch error: dm_resume() error: we previously assumed 'aconnector->dc_link' could be null [How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2022-50535 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
Affected versions
Linux kernel versions
4.15
and later are affected. Fixed in
4.19.276,
5.4.235,
5.10.173,
5.15.99,
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2022-50535 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/00b655fa96b4e941351cc4bf5ca755a65ae94a8e
-
PatchKernel patch commithttps://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b
-
PatchKernel patch commithttps://git.kernel.org/stable/c/8e365f1bd672cc9320a936f6ae6f8087aa40e9bc
Frequently asked questions
-
What is CVE-2022-50535?
CVE-2022-50535 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 4.15 onward and has been patched in 4.19.276, 5.4.235, 5.10.173 and others. CVE-2022-50535 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2022-50535?
CVE-2022-50535 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-50535?
Yes — CVE-2022-50535 has been patched. Fixed versions include 4.19.276, 5.4.235, 5.10.173 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-50535 actively exploited?
No — CVE-2022-50535 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
-
What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →