CVE-2023-6531
Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
2Exploited in Wild
-Decision
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.
It was discovered that a race condition existed in the ATM subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the AppleTalk networking subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2023-12-05 CVE Reserved
- 2024-01-02 CVE Published
- 2024-01-12 First Exploit
- 2025-03-20 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- CWE-416: Use After Free
CAPEC
References (6)
URL | Tag | Source |
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URL | Date | SRC |
---|---|---|
https://packetstorm.news/files/id/176533 | 2024-01-12 | |
https://packetstorm.news/files/id/189862 | 2025-03-17 |
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 | ||||||
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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
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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
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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
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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
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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
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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
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