An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
CVE-2023-46862
Score 4.7 from GitHub Security Advisory published 2023-10-29. NVD baseline CVSS 4.7; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.7
- EG Score
- 4.7(medium)
- EG Risk
- 26(Track)EG Risk 26/100SSVC: 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 computedSeverity47% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 13%
- KEV
- Not listed
Published
October 29, 2023
Last Modified
June 17, 2026
References (6)
- cve@mitrehttps://bugzilla.kernel.org/show_bug.cgi?id=218032#c4
- cve@mitrehttps://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
Vendor Advisories for CVE-2023-46862(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(10)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-tools-oem-22.04c (6.1.0.1027.28) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-azure (6.5.0.1015.17) @ mantic | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-kvm (5.15.0.1052.48) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-20.04-edge (5.15.0.100.97) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-aws-lts-22.04 (5.15.0.1056.55) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-22.04-edge (6.5.0.17.19) @ mantic | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-raspi-nolpae (5.15.0.1048.46) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-oracle-lts-22.04 (5.15.0.1053.49) @ jammy | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-intel-iotg (5.15.0.1050.50) @ jammy | 2026-05-24 | ubuntu |
| redhat | kernel-0:5.14.0-427.13.1.el9_4 | 2024-04-30 | redhat |
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.
Affected Packages
(5 across 5 ecosystems)
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-5.10 | 5.10.136-1~deb10u1 ... 5.10.197-1~deb10u1 (11 versions) | 5.10.205-2~deb10u1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (36 versions) | 5.10.205-2 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 6.1.27-1 ... 6.1.55-1~bpo11+1 (11 versions) | 6.1.64-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.5.10-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.5.10-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(10)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2023-468622023-11-08
An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
- UbuntuUSN-6533-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-6624-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-6652-1MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-6686-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-6686-2MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-6686-3MEDIUM
Linux kernel (Oracle) vulnerabilities
- UbuntuUSN-6686-4MEDIUM
Linux kernel (KVM) vulnerabilities
- UbuntuUSN-6686-5MEDIUM
Linux kernel (Intel IoTG) vulnerabilities
- UbuntuUSN-6705-1MEDIUM
Linux kernel (AWS) vulnerabilities
Data Freshness Timeline
(refreshed 9× in last 7d / 32× 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.
Showing the most recent 100 of 154 total refreshes for this CVE.
- 2026-09-06 13:46 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:26 UTCEPSS rescore
- 2026-09-04 13:58 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-03 14:16 UTCOSV refresh
- 2026-09-02 14:10 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-09-01 04:35 UTCEPSS rescore
- 2026-08-30 19:15 UTCEPSS rescore
- 2026-08-28 21:39 UTCEPSS rescore
- 2026-08-27 14:23 UTCEPSS rescore
- 2026-08-26 14:44 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:14 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
- 2026-08-20 22:53 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:46 UTCEPSS rescore
- 2026-08-17 13:45 UTCEPSS rescore
- 2026-08-17 03:48 UTCOSV refresh
- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 02:12 UTCEPSS rescore
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- 2026-08-15 01:28 UTCEPSS rescore
- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-11 13:40 UTCEPSS rescore
- 2026-08-10 23:57 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-07 16:25 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-04 10:35 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 22:06 UTCOSV refresh
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-27 14:10 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:27 UTCEG score recompute
- 2026-07-22 23:14 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:01 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 05:19 UTCOSV refresh
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-08 15:13 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-02 16:59 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 06:04 UTCOSV refresh
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
- CVE-2001-0011EG 10.0EPSS p94HIGH
- CVE-2001-0013EG 10.0EPSS p96HIGH
Frequently asked(5)
What is CVE-2023-46862?
When was CVE-2023-46862 disclosed?
Is CVE-2023-46862 actively exploited?
What is the CVSS score of CVE-2023-46862?
How do I remediate CVE-2023-46862?
Dependency Blast Radius
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