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A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local unprivileged user to crash the system causing a denial of service.

🗓️ 22 Oct 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Linux kernel networking use-after-free in sch_sfb enqueue uses skb cb after free, risking crash and denial of service.

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22 Oct 2022 07:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.15.5
EPSS0.00087
SSVC
2