CVE-2022-50236
MediumIn the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fix crash on isr after kexec() If the system is rebooted via isr(), the IRQ handler might be triggered before the domain is initialized. Resulting on an invalid memory access error. Fix: [ 0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070 [ 0.501166] Call trace: [ 0.501174] report_iommu_fault+0x28/0xfc [ 0.501180] mtk_iommu_isr+0x10c/0x1c0 [ joro: Fixed spelling in commit message ]
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-908CVE-2022-50236 is classified as CWE-908
See CWE-908 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
4.6
and later are affected. Fixed in
6.0.17,
6.1.3,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50236 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/00ef8885a945c37551547d8ac8361cacd20c4e42
-
PatchKernel patch commithttps://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269
-
PatchKernel patch commithttps://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc
Frequently asked questions
-
What is CVE-2022-50236?
CVE-2022-50236 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.6 onward and has been patched in 6.0.17, 6.1.3 and 6.2. CVE-2022-50236 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2022-50236?
CVE-2022-50236 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-2022-50236?
Yes — CVE-2022-50236 has been patched. Fixed versions include 6.0.17, 6.1.3 and 6.2. If you are running Linux kernel 4.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-50236 actively exploited?
No — CVE-2022-50236 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.