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Red Hat: CVE-2024-26582: kernel: tls: use-after-free with partial reads and async decrypt (Multiple Advisories)

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Red Hat: CVE-2024-26582: kernel: tls: use-after-free with partial reads and async decrypt (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:H/Au:S/C:P/I:P/A:C)
Published
02/21/2024
Created
04/19/2024
Added
04/19/2024
Modified
04/19/2024

Description

In the Linux kernel, the following vulnerability has been resolved: net: tls: fix use-after-free with partial reads and async decrypt tls_decrypt_sg doesn't take a reference on the pages from clear_skb, so the put_page() in tls_decrypt_done releases them, and we trigger a use-after-free in process_rx_list when we try to read from the partially-read skb.

Solution(s)

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

References

  • CVE-2024-26582
  • RHSA-2024:1881
  • RHSA-2024:1882

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