CVE - CVE-2022-50185

CVE-ID
CVE-2022-50185	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers() The last case label can write two buffers 'mc_reg_address[j]' and 'mc_data[j]' with 'j' offset equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE since there are no checks for this value in both case labels after the last 'j++'. Instead of changing '>' to '>=' there, add the bounds check at the start of the second 'case' (the first one already has it). Also, remove redundant last checks for 'j' index bigger than array size. The expression is always false. Moreover, before or after the patch 'table->last' can be equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE and it seems it can be a valid value. Detected using the static analysis tool - Svace.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/136f614931a2bb73616b292cf542da3a18daefd5 URL:https://git.kernel.org/stable/c/136f614931a2bb73616b292cf542da3a18daefd5 MISC:https://git.kernel.org/stable/c/1f341053852be76f82610ce47a505d930512f05c URL:https://git.kernel.org/stable/c/1f341053852be76f82610ce47a505d930512f05c MISC:https://git.kernel.org/stable/c/782e413e38dffd37cc85b08b1ccb982adb4a93ce URL:https://git.kernel.org/stable/c/782e413e38dffd37cc85b08b1ccb982adb4a93ce MISC:https://git.kernel.org/stable/c/8508d6d23a247c29792ce2fc0df3f3404d6a6a80 URL:https://git.kernel.org/stable/c/8508d6d23a247c29792ce2fc0df3f3404d6a6a80 MISC:https://git.kernel.org/stable/c/9faff03617afeced1c4e5daa89e79b3906374342 URL:https://git.kernel.org/stable/c/9faff03617afeced1c4e5daa89e79b3906374342 MISC:https://git.kernel.org/stable/c/db1a9add3f90ff1c641974d5bb910c16b87af4ef URL:https://git.kernel.org/stable/c/db1a9add3f90ff1c641974d5bb910c16b87af4ef MISC:https://git.kernel.org/stable/c/deb603c5928e546609c0d5798e231d0205748943 URL:https://git.kernel.org/stable/c/deb603c5928e546609c0d5798e231d0205748943 MISC:https://git.kernel.org/stable/c/ea73869df6ef386fc0feeb28ff66742ca835b18f URL:https://git.kernel.org/stable/c/ea73869df6ef386fc0feeb28ff66742ca835b18f
Assigning CNA
kernel.org
Date Record Created
20250618	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250618)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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