CVE-2023-53569

HIGHCVSS 7.8/10EPSS 0.14%

Last modified

CVE-2023-53569 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.14%

3.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 2.6.12.1, < 4.14.316
LinuxLinux Kernel>= 4.15, < 4.19.284
LinuxLinux Kernel>= 4.20, < 5.4.244
LinuxLinux Kernel>= 5.5, < 5.10.181
LinuxLinux Kernel>= 5.11, < 5.15.113
LinuxLinux Kernel>= 5.16, < 6.1.30
LinuxLinux Kernel>= 6.2, < 6.3.4
LinuxLinux Kernel2.6.12

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2023-53569?
In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.
How severe is CVE-2023-53569?
CVE-2023-53569 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2023-53569?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53569?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST