CVE-2024-26602
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.02%• Percentile: 4%
Affected Systems
- linux•linux
≥ 22e4ebb975822833b083533035233d128b30e98f, < 3cd139875e9a7688b3fc715264032620812a5fa3 | ≥ 22e4ebb975822833b083533035233d128b30e98f, < 2441a64070b85c14eecc3728cc87e883f953f265 | ≥ 22e4ebb975822833b083533035233d128b30e98f, < db896bbe4a9c67cee377e5f6a743350d3ae4acf6 | ≥ 22e4ebb975822833b083533035233d128b30e98f, < 50fb4e17df319bb33be6f14e2a856950c1577dee | ≥ 22e4ebb975822833b083533035233d128b30e98f, < 24ec7504a08a67247fbe798d1de995208a8c128a | ≥ 22e4ebb975822833b083533035233d128b30e98f, < b6a2a9cbb67545c825ec95f06adb7ff300a2ad71 | ≥ 22e4ebb975822833b083533035233d128b30e98f, < c5b2063c65d05e79fad8029324581d86cfba7eea | ≥ 22e4ebb975822833b083533035233d128b30e98f, < 944d5fe50f3f03daacfea16300e656a1691c4a23 | 4.14
- linux•linux_kernel
≥ 4.14.0, < 4.19.307 | ≥ 4.20.0, < 5.4.269 | ≥ 5.5.0, < 5.10.210 | ≥ 5.11.0, < 5.15.149 | ≥ 5.16.0, < 6.1.79 | ≥ 6.2.0, < 6.6.18 | ≥ 6.7.0, < 6.7.6
References (10)
- https://git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3
- https://git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265
- https://git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6
- https://git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee
- https://git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a
- https://git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71
- https://git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea
- https://git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html