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Red Hat: CVE-2024-41044: kernel: ppp: reject claimed-as-LCP but actually malformed packets (Multiple Advisories)

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Red Hat: CVE-2024-41044: kernel: ppp: reject claimed-as-LCP but actually malformed packets (Multiple Advisories)

Severity
6
CVSS
(AV:N/AC:L/Au:M/C:N/I:N/A:C)
Published
07/29/2024
Created
09/07/2024
Added
09/06/2024
Modified
09/25/2024

Description

In the Linux kernel, the following vulnerability has been resolved: ppp: reject claimed-as-LCP but actually malformed packets Since 'ppp_async_encode()' assumes valid LCP packets (with code from 1 to 7 inclusive), add 'ppp_check_packet()' to ensure that LCP packet has an actual body beyond PPP_LCP header bytes, and reject claimed-as-LCP but actually malformed data otherwise.

Solution(s)

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

References

  • CVE-2024-41044
  • RHSA-2024:6267
  • RHSA-2024:6268
  • RHSA-2024:6993
  • RHSA-2024:7000
  • RHSA-2024:7001

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