CVE-2024-26833

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................\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": [{"product": "Linux", 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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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.211", "versionStartIncluding": "5.6"}, 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"matchCriteriaId": "8D82004C-B2AE-4048-9344-32EFF65953B0", "versionEndExcluding": "6.6.19", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B", "versionEndExcluding": "6.7.7", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*", "matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la p\u00e9rdida de memoria en dm_sw_fini() Despu\u00e9s de destruir dmub_srv, la memoria asociada a \u00e9l no se libera, lo que provoca una p\u00e9rdida de memoria: objeto sin referencia 0xffff896302b45800 (tama\u00f1o 1024) : comm \"(udev-worker)\", pid 222, sjiffies 4294894636 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 6265fd77): [] kmalloc_trace+ 0x29d/0x340 [] dm_dmub_sw_init+0xb4/0x450 [amdgpu] [] dm_sw_init+0x15/0x2b0 [amdgpu] [] 1417/0x24e0 [amdgpu] [] amdgpu_driver_load_kms+0x15 /0x190 [amdgpu] [] amdgpu_pci_probe+0x187/0x4e0 [amdgpu] [] local_pci_probe+0x3e/0x90 [] pci_device_probe+0xc3/0x230 [ ] realmente_probe+0xe2/0x480 [&lt; ffffffff99805c98&gt;] __driver_probe_device+0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] v+0x70/0xc0 [] bus_add_driver+0x112/0x210 [&lt; ffffffff99807245&gt;] driver_register+0x55/0x100 [] do_one_initcall+0x41/0x300 Solucione este problema liberando dmub_srv despu\u00e9s de destruirlo."}], "id": "CVE-2024-26833", "lastModified": "2026-06-17T07:18:27.447", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-26833", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-17T19:24:28.460328Z", "version": "2.0.3"}}]}, "published": "2024-04-17T10:15:09.560", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/amd/display: Fix memory leak in dm_sw_fini()", "id": "2275588", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275588"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: Fix memory leak in dm_sw_fini()\nAfter destroying dmub_srv, the memory associated with it is\nnot freed, causing a memory leak:\nunreferenced object 0xffff896302b45800 (size 1024):\ncomm \"(udev-worker)\", pid 222, jiffies 4294894636\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace (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\nFix this by freeing dmub_srv after destroying it."], "name": "CVE-2024-26833", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26833\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26833\nhttps://lore.kernel.org/linux-cve-announce/2024041714-CVE-2024-26833-b435@gregkh/T"], "threat_severity": "Low"}

{}