{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53352","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-16T16:08:59.567Z","datePublished":"2025-09-17T14:56:42.698Z","dateUpdated":"2026-05-11T19:43:17.266Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:43:17.266Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: check null pointer before accessing when swapping\n\nAdd a check to avoid null pointer dereference as below:\n\n[   90.002283] general protection fault, probably for non-canonical\naddress 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[   90.002292] KASAN: null-ptr-deref in range\n[0x0000000000000000-0x0000000000000007]\n[   90.002346]  ? exc_general_protection+0x159/0x240\n[   90.002352]  ? asm_exc_general_protection+0x26/0x30\n[   90.002357]  ? ttm_bo_evict_swapout_allowable+0x322/0x5e0 [ttm]\n[   90.002365]  ? ttm_bo_evict_swapout_allowable+0x42e/0x5e0 [ttm]\n[   90.002373]  ttm_bo_swapout+0x134/0x7f0 [ttm]\n[   90.002383]  ? __pfx_ttm_bo_swapout+0x10/0x10 [ttm]\n[   90.002391]  ? lock_acquire+0x44d/0x4f0\n[   90.002398]  ? ttm_device_swapout+0xa5/0x260 [ttm]\n[   90.002412]  ? lock_acquired+0x355/0xa00\n[   90.002416]  ? do_raw_spin_trylock+0xb6/0x190\n[   90.002421]  ? __pfx_lock_acquired+0x10/0x10\n[   90.002426]  ? ttm_global_swapout+0x25/0x210 [ttm]\n[   90.002442]  ttm_device_swapout+0x198/0x260 [ttm]\n[   90.002456]  ? __pfx_ttm_device_swapout+0x10/0x10 [ttm]\n[   90.002472]  ttm_global_swapout+0x75/0x210 [ttm]\n[   90.002486]  ttm_tt_populate+0x187/0x3f0 [ttm]\n[   90.002501]  ttm_bo_handle_move_mem+0x437/0x590 [ttm]\n[   90.002517]  ttm_bo_validate+0x275/0x430 [ttm]\n[   90.002530]  ? __pfx_ttm_bo_validate+0x10/0x10 [ttm]\n[   90.002544]  ? kasan_save_stack+0x33/0x60\n[   90.002550]  ? kasan_set_track+0x25/0x30\n[   90.002554]  ? __kasan_kmalloc+0x8f/0xa0\n[   90.002558]  ? amdgpu_gtt_mgr_new+0x81/0x420 [amdgpu]\n[   90.003023]  ? ttm_resource_alloc+0xf6/0x220 [ttm]\n[   90.003038]  amdgpu_bo_pin_restricted+0x2dd/0x8b0 [amdgpu]\n[   90.003210]  ? __x64_sys_ioctl+0x131/0x1a0\n[   90.003210]  ? do_syscall_64+0x60/0x90"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/ttm/ttm_bo.c"],"versions":[{"version":"8996b13051f0c211aaaf243dfd270003f1b67431","lessThan":"d39971d902d067b4dc366981b75b17c8c57ed5d1","status":"affected","versionType":"git"},{"version":"da60170558b956c1b45dee1c4423da2425037426","lessThan":"8089eb93d6787dbf348863e935698b4610d90321","status":"affected","versionType":"git"},{"version":"17e188e0feb008bab5f4b083083dff7cdc633ca1","lessThan":"1fdd16d89c01336d9a942b5f03673c17d401da87","status":"affected","versionType":"git"},{"version":"c24d051e6b48015e32f1361cdf67e1784dd14a9f","lessThan":"49b3b979e79faef129605018ad82aa0f2258f2f7","status":"affected","versionType":"git"},{"version":"a2848d08742c8e8494675892c02c0d22acbe3cf8","lessThan":"2dedcf414bb01b8d966eb445db1d181d92304fb2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/ttm/ttm_bo.c"],"versions":[{"version":"5.15.124","lessThan":"5.15.126","status":"affected","versionType":"semver"},{"version":"6.1.43","lessThan":"6.1.45","status":"affected","versionType":"semver"},{"version":"6.4.8","lessThan":"6.4.10","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.124","versionEndExcluding":"5.15.126"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.43","versionEndExcluding":"6.1.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.8","versionEndExcluding":"6.4.10"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d39971d902d067b4dc366981b75b17c8c57ed5d1"},{"url":"https://git.kernel.org/stable/c/8089eb93d6787dbf348863e935698b4610d90321"},{"url":"https://git.kernel.org/stable/c/1fdd16d89c01336d9a942b5f03673c17d401da87"},{"url":"https://git.kernel.org/stable/c/49b3b979e79faef129605018ad82aa0f2258f2f7"},{"url":"https://git.kernel.org/stable/c/2dedcf414bb01b8d966eb445db1d181d92304fb2"}],"title":"drm/ttm: check null pointer before accessing when swapping","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53352","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:41:46.702479Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-14T18:43:03.742Z"}}]}}