{"id":"CVE-2024-26833","state":"PUBLISHED","title":"drm/amd/display: Fix memory leak in dm_sw_fini()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix memory leak in dm_sw_fini()\n\nAfter destroying dmub_srv, the memory associated with it is\nnot freed, causing a memory leak:\n\nunreferenced object 0xffff896302b45800 (size 1024):\n  comm \"(udev-worker)\", pid 222, jiffies 4294894636\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 6265fd77):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\n    [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]\n    [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\n    [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\n    [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\n    [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90\n    [<ffffffff996918a3>] pci_device_probe+0xc3/0x230\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n\nFix this by freeing dmub_srv after destroying it.","publishedAt":"2024-04-17T10:10:01.654Z","updatedAt":"2026-05-11T20:05:00.334Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"b49b022f7dfce85eb77d0d987008fde5c01d7857","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"33f649f1b1cea39ed360e6c12bba4fac83118e6e","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"58168005337eabef345a872be3f87d0215ff3b30","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"10c6b90e975358c17856a578419dc449887899c2","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"541e79265ea7e339a7c4a462feafe9f8f996e04b","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"bae67893578d608e35691dcdfa90c4957debf1d3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.211","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.150","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.80","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.19","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.7","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]}],"references":["https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857","https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e","https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30","https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2","https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b","https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3","https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26833.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26833","state":"PUBLISHED","datePublished":"2024-04-17T10:10:01.654Z","dateUpdated":"2026-05-11T20:05:00.334Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.181Z"},"containers":{"cna":{"title":"drm/amd/display: Fix memory leak in dm_sw_fini()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix memory leak in dm_sw_fini()\n\nAfter destroying dmub_srv, the memory associated with it is\nnot freed, causing a memory leak:\n\nunreferenced object 0xffff896302b45800 (size 1024):\n  comm \"(udev-worker)\", pid 222, jiffies 4294894636\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 6265fd77):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\n    [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]\n    [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\n    [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\n    [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\n    [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90\n    [<ffffffff996918a3>] pci_device_probe+0xc3/0x230\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n\nFix this by freeing dmub_srv after destroying it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"b49b022f7dfce85eb77d0d987008fde5c01d7857","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"33f649f1b1cea39ed360e6c12bba4fac83118e6e","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"58168005337eabef345a872be3f87d0215ff3b30","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"10c6b90e975358c17856a578419dc449887899c2","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"541e79265ea7e339a7c4a462feafe9f8f996e04b","versionType":"git"},{"version":"743b9786b14ae0d7d13b3782dccad158e577e9bb","status":"affected","lessThan":"bae67893578d608e35691dcdfa90c4957debf1d3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.211","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.150","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.80","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.19","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.7","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857"},{"url":"https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e"},{"url":"https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30"},{"url":"https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2"},{"url":"https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b"},{"url":"https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:05:00.334Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.7.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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