PT-2023-7938 · Linux+10 · Linux Kernel+10
Zhengchao Shao
·
Publicado
2023-11-24
·
Atualizado
2025-10-03
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CVE-2023-6932
CVSS v3.1
7.8
Alta
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.
Recommendations
Upgrade past commit e2b706c691905fe78468c361aaabc719d0a496f1 to resolve the issue. As a temporary workaround, consider disabling the vulnerable igmp component until a patch is available. Restrict access to the vulnerable module to minimize the risk of exploitation. Avoid using the vulnerable function until the issue is resolved.
Exploit
Correção
DoS
LPE
Race Condition
Use After Free
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Identificadores relacionados
Produtos afetados
Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu