CVE - CVE-2023-52852

CVE-ID
CVE-2023-52852	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5 URL:https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5 MISC:https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401 URL:https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401 MISC:https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c URL:https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c MISC:https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 URL:https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 MISC:https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086 URL:https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086
Assigning CNA
kernel.org
Date Record Created
20240521	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240521)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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