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Debian: CVE-2025-21648: linux -- security update

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Debian: CVE-2025-21648: linux -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/19/2025
Created
02/11/2025
Added
02/10/2025
Modified
02/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: clamp maximum hashtable size to INT_MAX Use INT_MAX as maximum size for the conntrack hashtable. Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset. See: 0708a0afe291 ("mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls") Note: hashtable resize is only possible from init_netns.

Solution(s)

  • debian-upgrade-linux

References

  • https://attackerkb.com/topics/cve-2025-21648
  • CVE - 2025-21648
  • DSA-5860-1
  • 查看数 701
  • 已创建
  • 最后回复

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