CVE-2023-52619

MEDIUM
Published Mar 18, 2024 Modified Mar 10, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Fix crash when setting number of cpus to an odd number When the number of cpu cores is adjusted to 7 or other odd numbers, the zone size will become an odd number. The address of the zone will become: addr of zone0 = BASE addr of zone1 = BASE + zone_size addr of zone2 = BASE + zone_size*2 ... The address of zone1/3/5/7 will be mapped to non-alignment va. Eventually crashes will occur when accessing these va. So, use ALIGN_DOWN() to make sure the zone size is even to avoid this bug.

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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
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/0593cfd321df9001142a9d2c58d4144917dff7ee https://git.kernel.org/stable/c/2a37905d47bffec61e95d99f0c1cc5dc6377956c https://git.kernel.org/stable/c/75b0f71b26b3ad833c5c0670109c0af6e021e86a https://git.kernel.org/stable/c/8b69c30f4e8b69131d92096cb296dc1f217101e4 https://git.kernel.org/stable/c/a63e48cd835c34c38ef671d344cc029b1ea5bf10 https://git.kernel.org/stable/c/cd40e43f870cf21726b22487a95ed223790b3542 https://git.kernel.org/stable/c/d49270a04623ce3c0afddbf3e984cb245aa48e9c https://git.kernel.org/stable/c/e9f6ac50890104fdf8194f2865680689239d30fb https://git.kernel.org/stable/c/0593cfd321df9001142a9d2c58d4144917dff7ee https://git.kernel.org/stable/c/2a37905d47bffec61e95d99f0c1cc5dc6377956c https://git.kernel.org/stable/c/75b0f71b26b3ad833c5c0670109c0af6e021e86a https://git.kernel.org/stable/c/8b69c30f4e8b69131d92096cb296dc1f217101e4 https://git.kernel.org/stable/c/a63e48cd835c34c38ef671d344cc029b1ea5bf10 https://git.kernel.org/stable/c/cd40e43f870cf21726b22487a95ed223790b3542 https://git.kernel.org/stable/c/d49270a04623ce3c0afddbf3e984cb245aa48e9c https://git.kernel.org/stable/c/e9f6ac50890104fdf8194f2865680689239d30fb

Frequently Asked Questions

What is CVE-2023-52619? +
In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Fix crash when setting number of cpus to an odd number When the number of cpu cores is adjusted to 7 or other odd numbers, the zone size will become an odd number. The address of the zone will become: addr of zone0 = BASE addr of zone1 = BASE + zone_size addr of zone2 = BASE + zone_size*2 ... The address of zone1/3/5/7 will be mapped to non-alignment va. Eventually crashes will occur when accessing these va. So, use ALIGN_DOWN() to make sure the zone size is even to avoid this bug. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-52619? +
CVE-2023-52619 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-2023-52619? +
CVE-2023-52619 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-52619? +
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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