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The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

🗓️ 25 May 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Linux kernel before 5.11.14 has use-after-free in cipso_v4_genopt due to CIPSO CALIPSO refcounting.

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16 Dec 2021 08:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 24.6
CVSS 3.17.8
EPSS0.00566
1