{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-26875", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.185Z", "datePublished": "2024-04-17T10:27:33.914Z", "dateUpdated": "2024-08-08T18:18:09.107Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:24:17.440Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix uaf in pvr2_context_set_notify\n\n[Syzbot reported]\nBUG: KASAN: slab-use-after-free in pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35\nRead of size 4 at addr ffff888113aeb0d8 by task kworker/1:1/26\n\nCPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n \n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0xc4/0x620 mm/kasan/report.c:488\n kasan_report+0xda/0x110 mm/kasan/report.c:601\n pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35\n pvr2_context_notify drivers/media/usb/pvrusb2/pvrusb2-context.c:95 [inline]\n pvr2_context_disconnect+0x94/0xb0 drivers/media/usb/pvrusb2/pvrusb2-context.c:272\n\nFreed by task 906:\nkasan_save_stack+0x33/0x50 mm/kasan/common.c:47\nkasan_save_track+0x14/0x30 mm/kasan/common.c:68\nkasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640\npoison_slab_object mm/kasan/common.c:241 [inline]\n__kasan_slab_free+0x106/0x1b0 mm/kasan/common.c:257\nkasan_slab_free include/linux/kasan.h:184 [inline]\nslab_free_hook mm/slub.c:2121 [inline]\nslab_free mm/slub.c:4299 [inline]\nkfree+0x105/0x340 mm/slub.c:4409\npvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline]\npvr2_context_thread_func+0x69d/0x960 drivers/media/usb/pvrusb2/pvrusb2-context.c:158\n\n[Analyze]\nTask A set disconnect_flag = !0, which resulted in Task B's condition being met\nand releasing mp, leading to this issue.\n\n[Fix]\nPlace the disconnect_flag assignment operation after all code in pvr2_context_disconnect()\nto avoid this issue." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/media/usb/pvrusb2/pvrusb2-context.c" ], "versions": [ { "version": "e5be15c63804", "lessThan": "ed8000e1e8e9", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "d29ed08964ce", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "ab896d93fd6a", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "eb6e9dce979c", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "3a1ec89708d2", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "8e60b99f6b7c", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "40cd818fae87", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "eaa410e05bdf", "status": "affected", "versionType": "git" }, { "version": "e5be15c63804", "lessThan": "0a0b79ea55de", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/media/usb/pvrusb2/pvrusb2-context.c" ], "versions": [ { "version": "2.6.26", "status": "affected" }, { "version": "0", "lessThan": "2.6.26", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.311", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.273", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.214", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.153", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.83", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.2", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ed8000e1e8e9684ab6c30cf2b526c0cea039929c" }, { "url": "https://git.kernel.org/stable/c/d29ed08964cec8b9729bc55c7bb23f679d7a18fb" }, { "url": "https://git.kernel.org/stable/c/ab896d93fd6a2cd1afeb034c3cc9226cb499209f" }, { "url": "https://git.kernel.org/stable/c/eb6e9dce979c08210ff7249e5e0eceb8991bfcd7" }, { "url": "https://git.kernel.org/stable/c/3a1ec89708d2e57e2712f46241282961b1a7a475" }, { "url": "https://git.kernel.org/stable/c/8e60b99f6b7ccb3badeb512f5eb613ad45904592" }, { "url": "https://git.kernel.org/stable/c/40cd818fae875c424a8335009db33c7b5a07de3a" }, { "url": "https://git.kernel.org/stable/c/eaa410e05bdf562c90b23cdf2d9327f9c4625e16" }, { "url": "https://git.kernel.org/stable/c/0a0b79ea55de8514e1750884e5fec77f9fdd01ee" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html" } ], "title": "media: pvrusb2: fix uaf in pvr2_context_set_notify", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.434Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/ed8000e1e8e9684ab6c30cf2b526c0cea039929c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d29ed08964cec8b9729bc55c7bb23f679d7a18fb", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ab896d93fd6a2cd1afeb034c3cc9226cb499209f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/eb6e9dce979c08210ff7249e5e0eceb8991bfcd7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3a1ec89708d2e57e2712f46241282961b1a7a475", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/8e60b99f6b7ccb3badeb512f5eb613ad45904592", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/40cd818fae875c424a8335009db33c7b5a07de3a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/eaa410e05bdf562c90b23cdf2d9327f9c4625e16", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0a0b79ea55de8514e1750884e5fec77f9fdd01ee", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free" } ] } ], "affected": [ { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "e5be15c63804", "status": "affected", "lessThan": "ed8000e1e8e9", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "d29ed08964ce", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "ab896d93fd6a", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "eb6e9dce979c", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "3a1ec89708d2", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThanOrEqual": "8e60b99f6b7c", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "40cd818fae87", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "eaa410e05bdf", "versionType": "custom" }, { "version": "e5be15c63804", "status": "affected", "lessThan": "0a0b79ea55de", "versionType": "custom" }, { "version": "2.6.26", "status": "affected" }, { "version": "0", "status": "unaffected", "lessThan": "2.6.26", "versionType": "custom" }, { "version": "4.19.311", "status": "unaffected", "lessThanOrEqual": "4.20", "versionType": "custom" }, { "version": "5.4.273", "status": "unaffected", "lessThanOrEqual": "5.5", "versionType": "custom" }, { "version": "5.10.214", "status": "unaffected", "lessThanOrEqual": "5.11", "versionType": "custom" }, { "version": "5.15.153", "status": "unaffected", "lessThanOrEqual": "5.16", "versionType": "custom" }, { "version": "6.183", "status": "unaffected", "lessThanOrEqual": "6.2", "versionType": "custom" }, { "version": "6.6.23", "status": "unaffected", "lessThanOrEqual": "6.7", "versionType": "custom" }, { "version": "6.7.11", "status": "unaffected", "lessThanOrEqual": "6.8", "versionType": "custom" }, { "version": "6.8.2", "status": "unaffected", "lessThanOrEqual": "6.9", "versionType": "custom" }, { "version": "6.9", "status": "unaffected", "lessThanOrEqual": "*", "versionType": "custom" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-08-08T18:16:38.134267Z", "id": "CVE-2024-26875", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-08T18:18:09.107Z" } } ] }, "dataVersion": "5.1" }