CVE-2023-52599

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2024-03-06. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

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: __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).

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
16.4%
KEV
Not listed

Published

March 6, 2024

Last Modified

December 12, 2024

References (18)

Patch Availability(21)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oem-22.04c (6.1.0.1035.36) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.106.106) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.181.201~18.04.1) @ bionic2026-05-24ubuntu
ubuntulinux-tools-intel-iotg (5.15.0.1057.57) @ jammy2026-05-24ubuntu
ubuntulinux-tools-oem-22.04d (6.5.0.1024.26) @ jammy2026-05-24ubuntu
ubuntulinux-tools-laptop-23.10 (6.5.0.1017.20) @ mantic2026-05-24ubuntu
ubuntulinux-tools-bluefield (5.4.0.1084.80) @ focal2026-05-24ubuntu
ubuntulinux-tools-intel-iotg-edge (5.15.0.1058.64~20.04.1) @ focal2026-05-24ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.5.0.41.41) @ mantic2026-05-24ubuntu
ubuntulinux-tools-oracle-64k (6.5.0.1024.26) @ mantic2026-05-24ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1054.52) @ jammy2026-05-24ubuntu
ubuntulinux-tools-aws-lts-22.04 (5.15.0.1061.61) @ jammy2026-05-24ubuntu
ubuntulinux-tools-starfive (6.5.0.1015.17) @ mantic2026-05-24ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.5.0.1021.29) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-16.04-edge (4.15.0.231.215) @ bionic2026-05-24ubuntu
ubuntulinux-tools-azure (4.15.0.1183.198~14.04.1) @ trusty2026-05-24ubuntu
ubuntulinux-tools-oracle-64k (6.5.0.1024.24~22.04.1) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-lts-xenial (4.4.0.261.267) @ xenial2026-05-24ubuntu
ubuntulinux-virtual-hwe-22.04 (6.5.0.41.41~22.04.2) @ jammy2026-05-24ubuntu
ubuntulinux-tools-oracle (4.15.0.1137.148~16.04.1) @ xenial2026-05-24ubuntu
linuxKernel @ 4.19.307—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(20)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 02:29 UTCEG score recompute
  2. 2026-07-22 23:15 UTCEG score recompute
  3. 2026-07-22 14:07 UTCEPSS rescore
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  17. 2026-07-14 17:25 UTCOSV refresh
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  1. 2026-07-07 13:45 UTCEPSS rescore
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  17. 2026-06-26 18:37 UTCOSV refresh
  18. 2026-06-25 13:48 UTCEPSS rescore
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  41. 2026-06-10 22:17 UTCEPSS rescore
  42. 2026-06-10 13:21 UTCEPSS rescore
  43. 2026-06-09 02:30 UTCOSV refresh
  44. 2026-06-08 14:16 UTCEPSS rescore
  45. 2026-06-08 14:16 UTCEPSS rescore
  46. 2026-06-07 15:24 UTCEPSS rescore
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  48. 2026-06-06 13:46 UTCEPSS rescore
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  70. 2026-05-26 07:18 UTCEPSS rescore
  71. 2026-05-26 07:18 UTCEPSS rescore
  72. 2026-05-24 07:10 UTCEG score recompute
  73. 2026-05-24 07:10 UTCVendor advisory
  74. 2026-05-24 07:10 UTCGHSA enrichment

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-52599?
CVE-2023-52599 is a high vulnerability published on March 6, 2024. 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…
When was CVE-2023-52599 disclosed?
CVE-2023-52599 was first published in the National Vulnerability Database on March 6, 2024, with the most recent update on December 12, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-52599 actively exploited?
CVE-2023-52599 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-52599?
CVE-2023-52599 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2023-52599?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-52599, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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