CVE-2024-26602

MEDIUM
Published Feb 26, 2024 Modified Nov 21, 2024

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.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265 https://git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a https://git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3 https://git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee https://git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23 https://git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71 https://git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea https://git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6 https://git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265 https://git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a https://git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3 https://git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee https://git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23 https://git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71 https://git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea https://git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6

Frequently Asked Questions

What is CVE-2024-26602? +
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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-26602? +
CVE-2024-26602 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-26602? +
CVE-2024-26602 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26602? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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