{"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":"2025-05-04T08:58:37.032Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:58:37.032Z"},"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","status":"affected","versionType":"git"},{"version":"e5be15c63804e05b5a94197524023702a259e308","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"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.10.214"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.15.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.1.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.6.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.7.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.8.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.9"}]}]}],"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"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T00:21:05.434Z"},"title":"CVE Program 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