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CVE-2023-1859

Good to know:

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Date: May 16, 2023

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

Language: C

Severity Score

Related Resources (4)

https://lore.kernel.org/all/20230313090002.3308025-1-zyytlz.wz%40163.com/
https://lore.kernel.org/all/20230313090002.3308025-1-zyytlz.wz@163.com/
https://nvd.nist.gov/vuln/detail/CVE-2023-1859
https://www.mend.io/vulnerability-database/CVE-2023-1859

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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