NULL Pointer Dereference Affecting kernel-uki-virt-addons package, versions *
Threat Intelligence
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Start learning- Snyk IDSNYK-RHEL9-KERNELUKIVIRTADDONS-12884898
- published18 Sept 2025
- disclosed17 Sept 2025
Introduced: 17 Sep 2025
NewCVE-2023-53352 (opens in a new tab)How to fix?
There is no fixed version for RHEL:9 kernel-uki-virt-addons.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uki-virt-addons package and not the kernel-uki-virt-addons package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/ttm: check null pointer before accessing when swapping
Add a check to avoid null pointer dereference as below:
[ 90.002283] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 90.002292] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 90.002346] ? exc_general_protection+0x159/0x240 [ 90.002352] ? asm_exc_general_protection+0x26/0x30 [ 90.002357] ? ttm_bo_evict_swapout_allowable+0x322/0x5e0 [ttm] [ 90.002365] ? ttm_bo_evict_swapout_allowable+0x42e/0x5e0 [ttm] [ 90.002373] ttm_bo_swapout+0x134/0x7f0 [ttm] [ 90.002383] ? __pfx_ttm_bo_swapout+0x10/0x10 [ttm] [ 90.002391] ? lock_acquire+0x44d/0x4f0 [ 90.002398] ? ttm_device_swapout+0xa5/0x260 [ttm] [ 90.002412] ? lock_acquired+0x355/0xa00 [ 90.002416] ? do_raw_spin_trylock+0xb6/0x190 [ 90.002421] ? __pfx_lock_acquired+0x10/0x10 [ 90.002426] ? ttm_global_swapout+0x25/0x210 [ttm] [ 90.002442] ttm_device_swapout+0x198/0x260 [ttm] [ 90.002456] ? __pfx_ttm_device_swapout+0x10/0x10 [ttm] [ 90.002472] ttm_global_swapout+0x75/0x210 [ttm] [ 90.002486] ttm_tt_populate+0x187/0x3f0 [ttm] [ 90.002501] ttm_bo_handle_move_mem+0x437/0x590 [ttm] [ 90.002517] ttm_bo_validate+0x275/0x430 [ttm] [ 90.002530] ? __pfx_ttm_bo_validate+0x10/0x10 [ttm] [ 90.002544] ? kasan_save_stack+0x33/0x60 [ 90.002550] ? kasan_set_track+0x25/0x30 [ 90.002554] ? __kasan_kmalloc+0x8f/0xa0 [ 90.002558] ? amdgpu_gtt_mgr_new+0x81/0x420 [amdgpu] [ 90.003023] ? ttm_resource_alloc+0xf6/0x220 [ttm] [ 90.003038] amdgpu_bo_pin_restricted+0x2dd/0x8b0 [amdgpu] [ 90.003210] ? __x64_sys_ioctl+0x131/0x1a0 [ 90.003210] ? do_syscall_64+0x60/0x90
References
- https://access.redhat.com/security/cve/CVE-2023-53352
- https://git.kernel.org/stable/c/1fdd16d89c01336d9a942b5f03673c17d401da87
- https://git.kernel.org/stable/c/2dedcf414bb01b8d966eb445db1d181d92304fb2
- https://git.kernel.org/stable/c/49b3b979e79faef129605018ad82aa0f2258f2f7
- https://git.kernel.org/stable/c/8089eb93d6787dbf348863e935698b4610d90321
- https://git.kernel.org/stable/c/d39971d902d067b4dc366981b75b17c8c57ed5d1