{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56582","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-27T14:03:06.000Z","datePublished":"2024-12-27T14:23:23.851Z","dateUpdated":"2025-11-03T20:49:59.647Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:58:59.341Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix use-after-free in btrfs_encoded_read_endio()\n\nShinichiro reported the following use-after free that sometimes is\nhappening in our CI system when running fstests' btrfs/284 on a TCMU\nrunner device:\n\n BUG: KASAN: slab-use-after-free in lock_release+0x708/0x780\n Read of size 8 at addr ffff888106a83f18 by task kworker/u80:6/219\n\n CPU: 8 UID: 0 PID: 219 Comm: kworker/u80:6 Not tainted 6.12.0-rc6-kts+ #15\n Hardware name: Supermicro Super Server/X11SPi-TF, BIOS 3.3 02/21/2020\n Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]\n Call Trace:\n \n dump_stack_lvl+0x6e/0xa0\n ? lock_release+0x708/0x780\n print_report+0x174/0x505\n ? lock_release+0x708/0x780\n ? __virt_addr_valid+0x224/0x410\n ? lock_release+0x708/0x780\n kasan_report+0xda/0x1b0\n ? lock_release+0x708/0x780\n ? __wake_up+0x44/0x60\n lock_release+0x708/0x780\n ? __pfx_lock_release+0x10/0x10\n ? __pfx_do_raw_spin_lock+0x10/0x10\n ? lock_is_held_type+0x9a/0x110\n _raw_spin_unlock_irqrestore+0x1f/0x60\n __wake_up+0x44/0x60\n btrfs_encoded_read_endio+0x14b/0x190 [btrfs]\n btrfs_check_read_bio+0x8d9/0x1360 [btrfs]\n ? lock_release+0x1b0/0x780\n ? trace_lock_acquire+0x12f/0x1a0\n ? __pfx_btrfs_check_read_bio+0x10/0x10 [btrfs]\n ? process_one_work+0x7e3/0x1460\n ? lock_acquire+0x31/0xc0\n ? process_one_work+0x7e3/0x1460\n process_one_work+0x85c/0x1460\n ? __pfx_process_one_work+0x10/0x10\n ? assign_work+0x16c/0x240\n worker_thread+0x5e6/0xfc0\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x2c3/0x3a0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x31/0x70\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n \n\n Allocated by task 3661:\n kasan_save_stack+0x30/0x50\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0xaa/0xb0\n btrfs_encoded_read_regular_fill_pages+0x16c/0x6d0 [btrfs]\n send_extent_data+0xf0f/0x24a0 [btrfs]\n process_extent+0x48a/0x1830 [btrfs]\n changed_cb+0x178b/0x2ea0 [btrfs]\n btrfs_ioctl_send+0x3bf9/0x5c20 [btrfs]\n _btrfs_ioctl_send+0x117/0x330 [btrfs]\n btrfs_ioctl+0x184a/0x60a0 [btrfs]\n __x64_sys_ioctl+0x12e/0x1a0\n do_syscall_64+0x95/0x180\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n Freed by task 3661:\n kasan_save_stack+0x30/0x50\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x70\n __kasan_slab_free+0x4f/0x70\n kfree+0x143/0x490\n btrfs_encoded_read_regular_fill_pages+0x531/0x6d0 [btrfs]\n send_extent_data+0xf0f/0x24a0 [btrfs]\n process_extent+0x48a/0x1830 [btrfs]\n changed_cb+0x178b/0x2ea0 [btrfs]\n btrfs_ioctl_send+0x3bf9/0x5c20 [btrfs]\n _btrfs_ioctl_send+0x117/0x330 [btrfs]\n btrfs_ioctl+0x184a/0x60a0 [btrfs]\n __x64_sys_ioctl+0x12e/0x1a0\n do_syscall_64+0x95/0x180\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n The buggy address belongs to the object at ffff888106a83f00\n which belongs to the cache kmalloc-rnd-07-96 of size 96\n The buggy address is located 24 bytes inside of\n freed 96-byte region [ffff888106a83f00, ffff888106a83f60)\n\n The buggy address belongs to the physical page:\n page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888106a83800 pfn:0x106a83\n flags: 0x17ffffc0000000(node=0|zone=2|lastcpupid=0x1fffff)\n page_type: f5(slab)\n raw: 0017ffffc0000000 ffff888100053680 ffffea0004917200 0000000000000004\n raw: ffff888106a83800 0000000080200019 00000001f5000000 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888106a83e00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n ffff888106a83e80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n >ffff888106a83f00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n ^\n ffff888106a83f80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n ffff888106a84000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n ==================================================================\n\nFurther analyzing the trace and \n---truncated---"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/inode.c"],"versions":[{"version":"1881fba89bd5dcd364d2e1bf561912a90a11c21a","lessThan":"a40de0330af4fb7bc6b354250c24f294f8b826a0","status":"affected","versionType":"git"},{"version":"1881fba89bd5dcd364d2e1bf561912a90a11c21a","lessThan":"6228f13f1996a4feb9b601d6644bf0bfe03671dd","status":"affected","versionType":"git"},{"version":"1881fba89bd5dcd364d2e1bf561912a90a11c21a","lessThan":"f8a5129e4a9fc3f6aa3f137513253b51b31b94d4","status":"affected","versionType":"git"},{"version":"1881fba89bd5dcd364d2e1bf561912a90a11c21a","lessThan":"05b36b04d74a517d6675bf2f90829ff1ac7e28dc","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/inode.c"],"versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","status":"unaffected","versionType":"semver"},{"version":"6.1.124","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.70","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.4","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13","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":"5.18","versionEndExcluding":"6.1.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a40de0330af4fb7bc6b354250c24f294f8b826a0"},{"url":"https://git.kernel.org/stable/c/6228f13f1996a4feb9b601d6644bf0bfe03671dd"},{"url":"https://git.kernel.org/stable/c/f8a5129e4a9fc3f6aa3f137513253b51b31b94d4"},{"url":"https://git.kernel.org/stable/c/05b36b04d74a517d6675bf2f90829ff1ac7e28dc"}],"title":"btrfs: fix use-after-free in btrfs_encoded_read_endio()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-56582","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-11T15:42:35.022378Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-416","description":"CWE-416 Use After Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-02-11T15:45:24.334Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:49:59.647Z"}}]}}