Answer in brief
CVE-2023-52852 records a High severity (CVSS 7.8) vulnerability in f2fs: compress: fix to avoid use-after-free on dic. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <8c4504cc0c64862740a6acb301e0cfa59580dbc5 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <9375ea7f269093d7c884857ae1f47633a91f429c || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <932ddb5c29e884cc6fac20417ece72ba4a35c401 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <b0327c84e91a0f4f0abced8cb83ec86a7083f086 || a23706426da9b611be5beae0f3faa260fb453b4e || >=5.13.19 <5.14 | 8c4504cc0c64862740a6acb301e0cfa59580dbc5, 9375ea7f269093d7c884857ae1f47633a91f429c, 932ddb5c29e884cc6fac20417ece72ba4a35c401, 9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2, b0327c84e91a0f4f0abced8cb83ec86a7083f086, 5.14 |
| Linux/Linuxgeneric | 5.14 | Not reported |
Published upstream
May 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-52852 records a High severity (CVSS 7.8) vulnerability in f2fs: compress: fix to avoid use-after-free on dic. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <8c4504cc0c64862740a6acb301e0cfa59580dbc5 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <9375ea7f269093d7c884857ae1f47633a91f429c || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <932ddb5c29e884cc6fac20417ece72ba4a35c401 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 || >=6ce19aff0b8cd386860855185c6cd79337fc4d2b <b0327c84e91a0f4f0abced8cb83ec86a7083f086 || a23706426da9b611be5beae0f3faa260fb453b4e || >=5.13.19 <5.14 | 8c4504cc0c64862740a6acb301e0cfa59580dbc5, 9375ea7f269093d7c884857ae1f47633a91f429c, 932ddb5c29e884cc6fac20417ece72ba4a35c401, 9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2, b0327c84e91a0f4f0abced8cb83ec86a7083f086, 5.14 |
| Linux/Linuxgeneric | 5.14 | Not reported |
Published upstream
May 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.