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CVE-2023-28466

Good to know:

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Date: March 15, 2023

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).

Language: C

Severity Score

Related Resources (6)

https://security.netapp.com/advisory/ntap-20230427-0006/
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=49c47cc21b5b7a3d8deb18fc57b0aa2ab1286962
https://nvd.nist.gov/vuln/detail/CVE-2023-28466
https://access.redhat.com/security/cve/CVE-2023-28466
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://www.mend.io/vulnerability-database/CVE-2023-28466

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): HIGH
Availability (A): HIGH

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