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VULNERABILITIES

CVE-2023-52852 Details

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to avoid use-after-free on dic Call trace: __memcpy+0x128/0x250 f2fs_read_multi_pages+0x940/0xf7c f2fs_mpage_readpages+0x5a8/0x624 f2fs_readahead+0x5c/0x110 page_cache_ra_unbounded+0x1b8/0x590 do_sync_mmap_readahead+0x1dc/0x2e4 filemap_fault+0x254/0xa8c f2fs_filemap_fault+0x2c/0x104 __do_fault+0x7c/0x238 do_handle_mm_fault+0x11bc/0x2d14 do_mem_abort+0x3a8/0x1004 el0_da+0x3c/0xa0 el0t_64_sync_handler+0xc4/0xec el0t_64_sync+0x1b4/0x1b8 In f2fs_read_multi_pages(), once f2fs_decompress_cluster() was called if we hit cached page in compress_inode's cache, dic may be released, it needs break the loop rather than continuing it, in order to avoid accessing invalid dic pointer.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5 kernel.orgPatch
https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401 kernel.orgPatch
https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c kernel.orgPatch
https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 kernel.orgPatch
https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086 kernel.orgPatch

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 5.13.19, < 5.15.139
>= 5.16, < 6.1.63
>= 6.2, < 6.5.12
>= 6.6, < 6.6.2

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-52852
NVD Published Date:
May 21, 2024
NVD Last Modified:
Aug 4, 2026
Source:
kernel.org
CVE-2023-52852 Details - Not Deferred