NULL Pointer Dereference Affecting kernel-syms package, versions <6.4.0-150600.23.14.2
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Test your applications- Snyk ID SNYK-SLES156-KERNELSYMS-7549112
- published 23 Jul 2024
- disclosed 22 Jul 2024
Introduced: 22 Jul 2024
CVE-2023-52773 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 kernel-syms to version 6.4.0-150600.23.14.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-syms package and not the kernel-syms package as distributed by SLES.
See How to fix? for SLES:15.6 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix a NULL pointer dereference in amdgpu_dm_i2c_xfer()
When ddc_service_construct() is called, it explicitly checks both the link type and whether there is something on the link which will dictate whether the pin is marked as hw_supported.
If the pin isn't set or the link is not set (such as from unloading/reloading amdgpu in an IGT test) then fail the amdgpu_dm_i2c_xfer() call.
References
- https://www.suse.com/security/cve/CVE-2023-52773.html
- https://bugzilla.suse.com/1225041
- https://git.kernel.org/stable/c/1d07b7e84276777dad3c8cfebdf8e739606f90c9
- https://git.kernel.org/stable/c/5b14cf37b9f01de0b28c6f8960019d4c7883ce42
- https://git.kernel.org/stable/c/b71f4ade1b8900d30c661d6c27f87c35214c398c
- https://git.kernel.org/stable/c/fb5c134ca589fe670430acc9e7ebf2691ca2476d