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CVE-2023-0458

Good to know:

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Date: April 26, 2023

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11

Language: C

Severity Score

Related Resources (7)

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://access.redhat.com/security/cve/CVE-2023-0458
https://nvd.nist.gov/vuln/detail/CVE-2023-0458
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/kernel/sys.c?id=v6.1.8&id2=v6.1.7
https://github.com/torvalds/linux/commit/739790605705ddcf18f21782b9c99ad7d53a8c11
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://www.mend.io/vulnerability-database/CVE-2023-0458

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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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): HIGH
Integrity (I): NONE
Availability (A): NONE

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