cve-2024-26871
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-12-19 08:49
Severity ?
EPSS score ?
0.05% (0.14995)
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix NULL pointer dereference in f2fs_submit_page_write() BUG: kernel NULL pointer dereference, address: 0000000000000014 RIP: 0010:f2fs_submit_page_write+0x6cf/0x780 [f2fs] Call Trace: <TASK> ? show_regs+0x6e/0x80 ? __die+0x29/0x70 ? page_fault_oops+0x154/0x4a0 ? prb_read_valid+0x20/0x30 ? __irq_work_queue_local+0x39/0xd0 ? irq_work_queue+0x36/0x70 ? do_user_addr_fault+0x314/0x6c0 ? exc_page_fault+0x7d/0x190 ? asm_exc_page_fault+0x2b/0x30 ? f2fs_submit_page_write+0x6cf/0x780 [f2fs] ? f2fs_submit_page_write+0x736/0x780 [f2fs] do_write_page+0x50/0x170 [f2fs] f2fs_outplace_write_data+0x61/0xb0 [f2fs] f2fs_do_write_data_page+0x3f8/0x660 [f2fs] f2fs_write_single_data_page+0x5bb/0x7a0 [f2fs] f2fs_write_cache_pages+0x3da/0xbe0 [f2fs] ... It is possible that other threads have added this fio to io->bio and submitted the io->bio before entering f2fs_submit_page_write(). At this point io->bio = NULL. If is_end_zone_blkaddr(sbi, fio->new_blkaddr) of this fio is true, then an NULL pointer dereference error occurs at bio_get(io->bio). The original code for determining zone end was after "out:", which would have missed some fio who is zone end. I've moved this code before "skip:" to make sure it's done for each fio.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e2ea8b04cb8d976110c4568509e67d6a39b2889Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8e2ea8b04cb8d976110c4568509e67d6a39b2889Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9fPatch
Impacted products
Vendor Product Version
Linux Linux Version: e067dc3c6b9c419bac43c6a0be2d85f44681f863
Version: e067dc3c6b9c419bac43c6a0be2d85f44681f863
Version: e067dc3c6b9c419bac43c6a0be2d85f44681f863
Version: e067dc3c6b9c419bac43c6a0be2d85f44681f863
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   Linux Linux Version: 6.5
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      datePublished: "2024-04-17T10:27:31.396Z",
      dateReserved: "2024-02-19T14:20:24.184Z",
      dateUpdated: "2024-12-19T08:49:06.821Z",
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      nvd: "{\"cve\":{\"id\":\"CVE-2024-26871\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:09.513\",\"lastModified\":\"2025-01-14T14:46:37.293\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix NULL pointer dereference in f2fs_submit_page_write()\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000014\\nRIP: 0010:f2fs_submit_page_write+0x6cf/0x780 [f2fs]\\nCall Trace:\\n<TASK>\\n? show_regs+0x6e/0x80\\n? __die+0x29/0x70\\n? page_fault_oops+0x154/0x4a0\\n? prb_read_valid+0x20/0x30\\n? __irq_work_queue_local+0x39/0xd0\\n? irq_work_queue+0x36/0x70\\n? do_user_addr_fault+0x314/0x6c0\\n? exc_page_fault+0x7d/0x190\\n? asm_exc_page_fault+0x2b/0x30\\n? f2fs_submit_page_write+0x6cf/0x780 [f2fs]\\n? f2fs_submit_page_write+0x736/0x780 [f2fs]\\ndo_write_page+0x50/0x170 [f2fs]\\nf2fs_outplace_write_data+0x61/0xb0 [f2fs]\\nf2fs_do_write_data_page+0x3f8/0x660 [f2fs]\\nf2fs_write_single_data_page+0x5bb/0x7a0 [f2fs]\\nf2fs_write_cache_pages+0x3da/0xbe0 [f2fs]\\n...\\nIt is possible that other threads have added this fio to io->bio\\nand submitted the io->bio before entering f2fs_submit_page_write().\\nAt this point io->bio = NULL.\\nIf is_end_zone_blkaddr(sbi, fio->new_blkaddr) of this fio is true,\\nthen an NULL pointer dereference error occurs at bio_get(io->bio).\\nThe original code for determining zone end was after \\\"out:\\\",\\nwhich would have missed some fio who is zone end. I've moved\\n this code before \\\"skip:\\\" to make sure it's done for each fio.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: corrige la desreferencia del puntero NULL en f2fs_submit_page_write() ERROR: desreferencia del puntero NULL del kernel, dirección: 0000000000000014 RIP: 0010:f2fs_submit_page_write+0x6cf/0x780 [f2fs] Seguimiento de llamadas:  ? show_regs+0x6e/0x80? __morir+0x29/0x70 ? page_fault_oops+0x154/0x4a0? prb_read_valid+0x20/0x30? __irq_work_queue_local+0x39/0xd0 ? irq_work_queue+0x36/0x70? do_user_addr_fault+0x314/0x6c0? exc_page_fault+0x7d/0x190? asm_exc_page_fault+0x2b/0x30? f2fs_submit_page_write+0x6cf/0x780 [f2fs] ? f2fs_submit_page_write+0x736/0x780 [f2fs] do_write_page+0x50/0x170 [f2fs] f2fs_outplace_write_data+0x61/0xb0 [f2fs] f2fs_do_write_data_page+0x3f8/0x660 [f2fs] f2fs_write_single_data_page+0 x5bb/0x7a0 [f2fs] f2fs_write_cache_pages+0x3da/0xbe0 [f2fs] .. Es posible que otros hilos hayan agregado este fio a io-&gt;bio y hayan enviado el io-&gt;bio antes de ingresar a f2fs_submit_page_write(). En este punto io-&gt;bio = NULL. Si is_end_zone_blkaddr(sbi, fio-&gt;new_blkaddr) de este fio es verdadero, entonces se produce un error de desreferencia de puntero NULL en bio_get(io-&gt;bio). El código original para determinar el final de la zona estaba después de \\\"out:\\\", lo que habría pasado por alto a algún fio que es el final de la zona. Moví este código antes de \\\"omitir:\\\" para asegurarme de que esté hecho para cada fio.\"}],\"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:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5\",\"versionEndExcluding\":\"6.6.23\",\"matchCriteriaId\":\"89C006B8-BD53-4D24-9E4A-3482F60C50EC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.7.11\",\"matchCriteriaId\":\"9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.8.2\",\"matchCriteriaId\":\"543A75FF-25B8-4046-A514-1EA8EDD87AB1\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8e2ea8b04cb8d976110c4568509e67d6a39b2889\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8e2ea8b04cb8d976110c4568509e67d6a39b2889\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26871\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-10T14:26:39.793680Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-05T15:20:44.077Z\"}}], \"cna\": {\"title\": \"f2fs: fix NULL pointer dereference in f2fs_submit_page_write()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e067dc3c6b9c\", \"lessThan\": \"8e2ea8b04cb8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e067dc3c6b9c\", \"lessThan\": \"4c122a32582b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e067dc3c6b9c\", \"lessThan\": \"6d102382a11d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e067dc3c6b9c\", \"lessThan\": \"c2034ef6192a\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/f2fs/data.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.5\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"6.6.23\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.11\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.2\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/f2fs/data.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/8e2ea8b04cb8d976110c4568509e67d6a39b2889\"}, {\"url\": \"https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566\"}, {\"url\": \"https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3\"}, {\"url\": \"https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9f\"}], \"x_generator\": {\"engine\": \"bippy-a5840b7849dd\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix NULL pointer dereference in f2fs_submit_page_write()\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000014\\nRIP: 0010:f2fs_submit_page_write+0x6cf/0x780 [f2fs]\\nCall Trace:\\n<TASK>\\n? show_regs+0x6e/0x80\\n? __die+0x29/0x70\\n? page_fault_oops+0x154/0x4a0\\n? prb_read_valid+0x20/0x30\\n? __irq_work_queue_local+0x39/0xd0\\n? irq_work_queue+0x36/0x70\\n? do_user_addr_fault+0x314/0x6c0\\n? exc_page_fault+0x7d/0x190\\n? asm_exc_page_fault+0x2b/0x30\\n? f2fs_submit_page_write+0x6cf/0x780 [f2fs]\\n? f2fs_submit_page_write+0x736/0x780 [f2fs]\\ndo_write_page+0x50/0x170 [f2fs]\\nf2fs_outplace_write_data+0x61/0xb0 [f2fs]\\nf2fs_do_write_data_page+0x3f8/0x660 [f2fs]\\nf2fs_write_single_data_page+0x5bb/0x7a0 [f2fs]\\nf2fs_write_cache_pages+0x3da/0xbe0 [f2fs]\\n...\\nIt is possible that other threads have added this fio to io->bio\\nand submitted the io->bio before entering f2fs_submit_page_write().\\nAt this point io->bio = NULL.\\nIf is_end_zone_blkaddr(sbi, fio->new_blkaddr) of this fio is true,\\nthen an NULL pointer dereference error occurs at bio_get(io->bio).\\nThe original code for determining zone end was after \\\"out:\\\",\\nwhich would have missed some fio who is zone end. I've moved\\n this code before \\\"skip:\\\" to make sure it's done for each fio.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-29T05:24:13.342Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-26871\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-05T17:22:49.873Z\", \"dateReserved\": \"2024-02-19T14:20:24.184Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T10:27:31.396Z\", \"assignerShortName\": \"Linux\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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