| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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 <TASK>\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 </TASK>\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" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-56582", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |