CVE-2022-50781
In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table() In the PP_OD_EDIT_VDDC_CURVE case the "input_index" variable is capped at 2 but not checked for negative values so it results in an out of bounds read. This value comes from the user via sysfs.
Affected versions
Linux kernel versions
4.20
and later are affected. Fixed in
5.4.229,
5.10.163,
5.15.86,
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50781 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/4d3dc0de9c46d9f73be6bac026e40b893e37ea21
-
PatchKernel patch commithttps://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183
-
PatchKernel patch commithttps://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5
Frequently asked questions
-
What is CVE-2022-50781?
CVE-2022-50781 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.20 onward and has been patched in 5.4.229, 5.10.163, 5.15.86 and others. CVE-2022-50781 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2022-50781?
Yes — CVE-2022-50781 has been patched. Fixed versions include 5.4.229, 5.10.163, 5.15.86 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-50781 actively exploited?
No — CVE-2022-50781 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.