| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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 <TASK>\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": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "ed8000e1e8e9684ab6c30cf2b526c0cea039929c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "d29ed08964cec8b9729bc55c7bb23f679d7a18fb", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "ab896d93fd6a2cd1afeb034c3cc9226cb499209f", |
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| "versionType": "git" |
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| "lessThan": "eb6e9dce979c08210ff7249e5e0eceb8991bfcd7", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "3a1ec89708d2e57e2712f46241282961b1a7a475", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "8e60b99f6b7ccb3badeb512f5eb613ad45904592", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "40cd818fae875c424a8335009db33c7b5a07de3a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "eaa410e05bdf562c90b23cdf2d9327f9c4625e16", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e5be15c63804e05b5a94197524023702a259e308", |
| "lessThan": "0a0b79ea55de8514e1750884e5fec77f9fdd01ee", |
| "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": "semver" |
| }, |
| { |
| "version": "4.19.311", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.273", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.214", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.153", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.83", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.23", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.7.11", |
| "lessThanOrEqual": "6.7.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8.2", |
| "lessThanOrEqual": "6.8.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.26", |
| "versionEndExcluding": "4.19.311" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.26", |
| "versionEndExcluding": "5.4.273" |
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| "vulnerable": true, |
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| "versionEndExcluding": "6.7.11" |
| }, |
| { |
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| "versionEndExcluding": "6.8.2" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
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| "versionEndExcluding": "6.9" |
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| ], |
| "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" |
| } |
| ], |
| "title": "media: pvrusb2: fix uaf in pvr2_context_set_notify", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-26875", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
