CVE-2023-52852
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
f2fs: compress: fix to avoid use-after-free on dic
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6ce19aff0b8cd386860855185c6cd79337fc4d2b | affected | git | 8c4504cc0c64862740a6acb301e0cfa59580dbc5 | Unavailable | None listed |
| 6ce19aff0b8cd386860855185c6cd79337fc4d2b | affected | git | 9375ea7f269093d7c884857ae1f47633a91f429c | Unavailable | None listed |
| 6ce19aff0b8cd386860855185c6cd79337fc4d2b | affected | git | 932ddb5c29e884cc6fac20417ece72ba4a35c401 | Unavailable | None listed |
| 6ce19aff0b8cd386860855185c6cd79337fc4d2b | affected | git | 9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2 | Unavailable | None listed |
| 6ce19aff0b8cd386860855185c6cd79337fc4d2b | affected | git | b0327c84e91a0f4f0abced8cb83ec86a7083f086 | Unavailable | None listed |
| a23706426da9b611be5beae0f3faa260fb453b4e | affected | git | Unavailable | Unavailable | None listed |
| 5.13.19 | affected | semver | 5.14 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.14 | Unavailable | None listed |
| 5.15.139 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.63 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.5.12 | unaffected | semver | Unavailable | 6.5.* | None listed |
| 6.6.2 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.7 | unaffected | original_commit_for_fix | Unavailable | * | None listed |