Answer in brief
CVE-2023-52599 records a High severity (CVSS 7.8) vulnerability in jfs: fix array-index-out-of-bounds in diNewExt. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <f423528488e4f9606cef858eceea210bf1163f41 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <de6a91aed1e0b1a23e9c11e7d7557f088eeeb017 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <e2b77d107b33bb31c8b1f5c4cb8f277b23728f1e || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <6aa30020879042d46df9f747e4f0a486eea6fe98 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <3537f92cd22c672db97fae6997481e678ad14641 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <6996d43b14486f4a6655b10edc541ada1b580b4b || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <5a6660139195f5e2fbbda459eeecb8788f3885fe || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <49f9637aafa6e63ba686c13cb8549bf5e6920402 | f423528488e4f9606cef858eceea210bf1163f41, de6a91aed1e0b1a23e9c11e7d7557f088eeeb017, e2b77d107b33bb31c8b1f5c4cb8f277b23728f1e, 6aa30020879042d46df9f747e4f0a486eea6fe98, 3537f92cd22c672db97fae6997481e678ad14641, 6996d43b14486f4a6655b10edc541ada1b580b4b, 5a6660139195f5e2fbbda459eeecb8788f3885fe, 49f9637aafa6e63ba686c13cb8549bf5e6920402 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Mar 6, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diNewExt [Syz report] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:2360:2 index -878706688 is out of range for type 'struct iagctl[128]' CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348 diNewExt+0x3cf3/0x4000 fs/jfs/jfs_imap.c:2360 diAllocExt fs/jfs/jfs_imap.c:1949 [inline] diAllocAG+0xbe8/0x1e50 fs/jfs/jfs_imap.c:1666 diAlloc+0x1d3/0x1760 fs/jfs/jfs_imap.c:1587 ialloc+0x8f/0x900 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x1c5/0xb90 fs/jfs/namei.c:225 vfs_mkdir+0x2f1/0x4b0 fs/namei.c:4106 do_mkdirat+0x264/0x3a0 fs/namei.c:4129 __do_sys_mkdir fs/namei.c:4149 [inline] __se_sys_mkdir fs/namei.c:4147 [inline] __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4147 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fcb7e6a0b57 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83023038 EFLAGS: 00000286 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fcb7e6a0b57 RDX: 00000000000a1020 RSI: 00000000000001ff RDI: 0000000020000140 RBP: 0000000020000140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00007ffd830230d0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [Analysis] When the agstart is too large, it can cause agno overflow. [Fix] After obtaining agno, if the value is invalid, exit the subsequent process. Modified the test from agno > MAXAG to agno >= MAXAG based on linux-next report by kernel test robot (Dan Carpenter).
Quoted source text, attributed separately from HOL analysis.