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CVE-2023-52682

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to wait on block writeback for post_read case If inode is compressed, but not encrypted, it missed to call f2fs_wait_…

Published May 17, 2024CWE-125EPSS 0.23%

Overview

CVE-2023-52682 is a high-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix to wait on block writeback for post_read case

If inode is compressed, but not encrypted, it missed to call

f2fs_wait_on_block_writeback() to wait for GCed page writeback

in IPU write path.

Thread A GC-Thread

- f2fs_gc

- do_garbage_collect

- gc_data_segment

- move_data_block

- f2fs_submit_page_write

migrate normal cluster's block via

meta_inode's page cache

- f2fs_write_single_data_page

- f2fs_do_write_data_page

- f2fs_inplace_write_data

- f2fs_submit_page_bio

IRQ

- f2fs_read_end_io

IRQ

old data overrides new data due to

out-of-order GC and common IO.

- f2fs_read_end_io

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2bfe8fdb674f71747553a65f2ef27e14c8880655Refgit.kernel.org/stable/c/4535be48780431753505e74e1b1ad4836a189bc2Refgit.kernel.org/stable/c/55fdc1c24a1d6229fe0ecf31335fb9a2eceaaa00Refgit.kernel.org/stable/c/9bfd5ea71521d0e522ba581c6ccc5db93759c0c3Refgit.kernel.org/stable/c/f904c156d8011d8291ffd5b6b398f3747e294986Refgit.kernel.org/stable/c/4535be48780431753505e74e1b1ad4836a189bc2Refgit.kernel.org/stable/c/55fdc1c24a1d6229fe0ecf31335fb9a2eceaaa00Refgit.kernel.org/stable/c/9bfd5ea71521d0e522ba581c6ccc5db93759c0c3Refgit.kernel.org/stable/c/f904c156d8011d8291ffd5b6b398f3747e294986

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52682?

CVE-2023-52682 is a high-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2023-52682?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52682?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52682?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52682 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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