CVE-2023-6531
Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf
Severity Score
7.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
Se encontró una falla de use-after-free en el kernel de Linux debido a un problema de ejecución en la eliminación de ejecución de SKB por parte del recolector de basura de Unix con unix_stream_read_generic() en el socket en el que el SKB está en cola.
Linux suffers from an io_uring use-after-free vulnerability due to broken unix GC interaction.
*Credits:
N/A
CVSS Scores
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
- 2023-12-05 CVE Reserved
- 2024-01-02 CVE Published
- 2024-01-30 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- CWE-416: Use After Free
CAPEC
References (4)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com | 2024-05-17 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:2394 | 2024-05-17 | |
| https://access.redhat.com/security/cve/CVE-2023-6531 | 2024-04-30 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2253034 | 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" | < 6.7 Search vendor "Linux" for product "Linux Kernel" and version " < 6.7" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.7 Search vendor "Linux" for product "Linux Kernel" and version "6.7" | rc1 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.7 Search vendor "Linux" for product "Linux Kernel" and version "6.7" | rc2 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.7 Search vendor "Linux" for product "Linux Kernel" and version "6.7" | rc3 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.7 Search vendor "Linux" for product "Linux Kernel" and version "6.7" | rc4 |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0" | - |
Affected
| ||||||