VULNERABILITY

Debian: CVE-2024-53122: linux, linux-6.1 -- security update

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Debian: CVE-2024-53122: linux, linux-6.1 -- security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
12/02/2024
Created
12/10/2024
Added
12/09/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: cope racing subflow creation in mptcp_rcv_space_adjust Additional active subflows - i.e. created by the in kernel path manager - are included into the subflow list before starting the 3whs. A racing recvmsg() spooling data received on an already established subflow would unconditionally call tcp_cleanup_rbuf() on all the current subflows, potentially hitting a divide by zero error on the newly created ones. Explicitly check that the subflow is in a suitable state before invoking tcp_cleanup_rbuf().

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-6-1

References

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