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CVE-2023-0590

Good to know:

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Date: March 23, 2023

A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 ("net: sched: fix race condition in qdisc_graft()") not applied yet, then kernel could be affected.

Language: C

Severity Score

Related Resources (7)

https://people.canonical.com/~ubuntu-security/cve/CVE-2023-0590
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
https://lore.kernel.org/all/20221018203258.2793282-1-edumazet%40google.com/
https://lore.kernel.org/all/20221018203258.2793282-1-edumazet@google.com/
https://access.redhat.com/security/cve/CVE-2023-0590
https://nvd.nist.gov/vuln/detail/CVE-2023-0590
https://www.mend.io/vulnerability-database/CVE-2023-0590

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

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

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