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A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

🗓️ 08 Apr 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Unrestricted eBPF BPF_BTF_LOAD may cause out-of-bounds write in BPF, enabling privilege escalation.

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Vulners
Node
microsoftcbl2_kernel_5.15.37.1-2Range<5.15.37.1-2
OR
microsoftcm1_kernel_5.10.111.1-1Range<-

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09 Apr 2022 07:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 27.2
CVSS 3.17.8
EPSS0.00346
unrestricted usageout of boundsprivilege escalation
1