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Huawei EulerOS: CVE-2024-26910: kernel security update

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Huawei EulerOS: CVE-2024-26910: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
04/17/2024
Created
10/10/2024
Added
10/09/2024
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix performance regression in swap operation The patch "netfilter: ipset: fix race condition between swap/destroy and kernel side add/del/test", commit 28628fa9 fixes a race condition. But the synchronize_rcu() added to the swap function unnecessarily slows it down: it can safely be moved to destroy and use call_rcu() instead. Eric Dumazet pointed out that simply calling the destroy functions as rcu callback does not work: sets with timeout use garbage collectors which need cancelling at destroy which can wait. Therefore the destroy functions are split into two: cancelling garbage collectors safely at executing the command received by netlink and moving the remaining part only into the rcu callback.

Solution(s)

  • huawei-euleros-2_0_sp12-upgrade-bpftool
  • huawei-euleros-2_0_sp12-upgrade-kernel
  • huawei-euleros-2_0_sp12-upgrade-kernel-abi-stablelists
  • huawei-euleros-2_0_sp12-upgrade-kernel-tools
  • huawei-euleros-2_0_sp12-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp12-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2024-26910
  • CVE - 2024-26910
  • EulerOS-SA-2024-2544
  • 查看数 713
  • 已创建
  • 最后回复

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