{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-52770", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.239Z", "datePublished": "2024-05-21T15:30:52.970Z", "dateUpdated": "2024-08-02T23:11:36.015Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:17:03.200Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: split initial and dynamic conditions for extent_cache\n\nLet's allocate the extent_cache tree without dynamic conditions to avoid a\nmissing condition causing a panic as below.\n\n # create a file w/ a compressed flag\n # disable the compression\n # panic while updating extent_cache\n\nF2FS-fs (dm-64): Swapfile: last extent is not aligned to section\nF2FS-fs (dm-64): Swapfile (3) is not align to section: 1) creat(), 2) ioctl(F2FS_IOC_SET_PIN_FILE), 3) fallocate(2097152 * N)\nAdding 124996k swap on ./swap-file. Priority:0 extents:2 across:17179494468k\n==================================================================\nBUG: KASAN: null-ptr-deref in instrument_atomic_read_write out/common/include/linux/instrumented.h:101 [inline]\nBUG: KASAN: null-ptr-deref in atomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented.h:705 [inline]\nBUG: KASAN: null-ptr-deref in queued_write_lock out/common/include/asm-generic/qrwlock.h:92 [inline]\nBUG: KASAN: null-ptr-deref in __raw_write_lock out/common/include/linux/rwlock_api_smp.h:211 [inline]\nBUG: KASAN: null-ptr-deref in _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295\nWrite of size 4 at addr 0000000000000030 by task syz-executor154/3327\n\nCPU: 0 PID: 3327 Comm: syz-executor154 Tainted: G O 5.10.185 #1\nHardware name: emulation qemu-x86/qemu-x86, BIOS 2023.01-21885-gb3cc1cd24d 01/01/2023\nCall Trace:\n __dump_stack out/common/lib/dump_stack.c:77 [inline]\n dump_stack_lvl+0x17e/0x1c4 out/common/lib/dump_stack.c:118\n __kasan_report+0x16c/0x260 out/common/mm/kasan/report.c:415\n kasan_report+0x51/0x70 out/common/mm/kasan/report.c:428\n kasan_check_range+0x2f3/0x340 out/common/mm/kasan/generic.c:186\n __kasan_check_write+0x14/0x20 out/common/mm/kasan/shadow.c:37\n instrument_atomic_read_write out/common/include/linux/instrumented.h:101 [inline]\n atomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented.h:705 [inline]\n queued_write_lock out/common/include/asm-generic/qrwlock.h:92 [inline]\n __raw_write_lock out/common/include/linux/rwlock_api_smp.h:211 [inline]\n _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295\n __drop_extent_tree+0xdf/0x2f0 out/common/fs/f2fs/extent_cache.c:1155\n f2fs_drop_extent_tree+0x17/0x30 out/common/fs/f2fs/extent_cache.c:1172\n f2fs_insert_range out/common/fs/f2fs/file.c:1600 [inline]\n f2fs_fallocate+0x19fd/0x1f40 out/common/fs/f2fs/file.c:1764\n vfs_fallocate+0x514/0x9b0 out/common/fs/open.c:310\n ksys_fallocate out/common/fs/open.c:333 [inline]\n __do_sys_fallocate out/common/fs/open.c:341 [inline]\n __se_sys_fallocate out/common/fs/open.c:339 [inline]\n __x64_sys_fallocate+0xb8/0x100 out/common/fs/open.c:339\n do_syscall_64+0x35/0x50 out/common/arch/x86/entry/common.c:46" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/f2fs/extent_cache.c" ], "versions": [ { "version": "72840cccc0a1", "lessThan": "9de787139b02", "status": "affected", "versionType": "git" }, { "version": "72840cccc0a1", "lessThan": "d83309e7e006", "status": "affected", "versionType": "git" }, { "version": "72840cccc0a1", "lessThan": "f803982190f0", "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/f2fs/extent_cache.c" ], "versions": [ { "version": "6.2", "status": "affected" }, { "version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "custom" }, { "version": "6.5.13", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.3", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/9de787139b0258a5dd1f498780c26d76b61d2958" }, { "url": "https://git.kernel.org/stable/c/d83309e7e006cee8afca83523559017c824fbf7a" }, { "url": "https://git.kernel.org/stable/c/f803982190f0265fd36cf84670aa6daefc2b0768" } ], "title": "f2fs: split initial and dynamic conditions for extent_cache", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52770", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-21T17:30:42.335957Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:23:27.194Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.015Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/9de787139b0258a5dd1f498780c26d76b61d2958", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d83309e7e006cee8afca83523559017c824fbf7a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/f803982190f0265fd36cf84670aa6daefc2b0768", "tags": [ "x_transferred" ] } ] } ] } }