CVE-2024-27418

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: net: mctp: take ownership of skb in mctp_local_output Currently, mctp_local_output only takes ownership of skb on success, and we may leak an skb if mctp_local_output fails in specific states; the skb ownership isn't transferred until the actual output routing occurs. Instead, make mctp_local_output free the skb on all error paths up to the route action, so it always consumes the passed skb.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedMay 17, 2024
First seenMay 17, 2024

How to fix

Update
  • linux linux_kernel6.1.81, 6.6.21, 6.7.9 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 6.1.81, 6.2 ≤ v < 6.6.21, 6.7 ≤ v < 6.7.9, 6.86.1.81, 6.6.21, 6.7.9

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