CVE-2023-52852 (GCVE-0-2023-52852)
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2024-12-19 08:27
Severity ?
Summary
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6ce19aff0b8cd386860855185c6cd79337fc4d2b
Version: 6ce19aff0b8cd386860855185c6cd79337fc4d2b
Version: 6ce19aff0b8cd386860855185c6cd79337fc4d2b
Version: 6ce19aff0b8cd386860855185c6cd79337fc4d2b
Version: 6ce19aff0b8cd386860855185c6cd79337fc4d2b
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   Linux Linux Version: 5.14
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         id: "CVE-2023-52852",
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Rastreo de llamadas: __memcpy+0x128/0x250 f2fs_read_multi_pages+0x940/0xf7c f2fs_mpage_readpages+0x5a8/0x624 f2fs_readahead+0x5c/0x110 page_cache_ra_ ilimitado +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 En f2fs_read_multi_pages(), una vez que se llamó a f2fs_decompress_cluster() si llegamos a la página almacenada en caché en el caché de compress_inode, es posible que se libere dic, es necesario romper el ciclo en lugar de continuarlo, para evitar acceder a un puntero dic no válido.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.13.19\",\"versionEndExcluding\":\"5.15.139\",\"matchCriteriaId\":\"14D5B2E5-AF57-4541-ADEB-69F278C2C058\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.63\",\"matchCriteriaId\":\"80E1EA7E-2788-466C-9FFB-34AFA1B052F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.5.12\",\"matchCriteriaId\":\"825F64D9-E99F-49AA-8A7B-EF7C2965C5B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.2\",\"matchCriteriaId\":\"4CBFF885-A4D3-4F21-B6FD-4D770034C048\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
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         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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