CVE-2023-46862
kernel: NULL pointer dereference vulnerability in io_uring_show_fdinfo
Severity Score
4.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se descubriĆ³ un problema en el kernel de Linux hasta 6.5.9. Durante una ejecuciĆ³n con salida de hilo SQ, puede ocurrir una desreferencia del puntero NULL io_uring/fdinfo.c io_uring_show_fdinfo.
A null pointer dereference flaw was found in the Linux kernel's io_uring functionality. This issue could allow a local user to crash the system.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-10-29 CVE Reserved
- 2023-10-29 CVE Published
- 2024-01-17 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (5)
URL | Tag | Source |
---|---|---|
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html | Mailing List |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 | 2024-01-11 | |
https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 | 2024-01-11 |
URL | Date | SRC |
---|---|---|
https://access.redhat.com/security/cve/CVE-2023-46862 | 2024-04-30 | |
https://bugzilla.redhat.com/show_bug.cgi?id=2246980 | 2024-04-30 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 6.5.9 Search vendor "Linux" for product "Linux Kernel" and version " <= 6.5.9" | - |
Affected
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