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Red Hat: CVE-2024-35908: kernel: tls: get psock ref after taking rxlock to avoid leak (Multiple Advisories)

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Red Hat: CVE-2024-35908: kernel: tls: get psock ref after taking rxlock to avoid leak (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
05/19/2024
Created
12/06/2024
Added
12/05/2024
Modified
12/05/2024

Description

In the Linux kernel, the following vulnerability has been resolved: tls: get psock ref after taking rxlock to avoid leak At the start of tls_sw_recvmsg, we take a reference on the psock, and then call tls_rx_reader_lock. If that fails, we return directly without releasing the reference. Instead of adding a new label, just take the reference after locking has succeeded, since we don't need it before.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2024-35908
  • RHSA-2024:9315
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