143 lines
8.0 KiB
JSON
143 lines
8.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-53584",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-10-04T15:40:38.477Z",
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"datePublished": "2025-10-04T15:43:59.835Z",
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"dateUpdated": "2026-05-11T19:47:53.655Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T19:47:53.655Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process\n\nThere are two states for ubifs writing pages:\n1. Dirty, Private\n2. Not Dirty, Not Private\n\nThe normal process cannot go to ubifs_releasepage() which means there\nexists pages being private but not dirty. Reproducer[1] shows that it\ncould occur (which maybe related to [2]) with following process:\n\n PA PB PC\nlock(page)[PA]\nubifs_write_end\n attach_page_private // set Private\n __set_page_dirty_nobuffers // set Dirty\nunlock(page)\n\nwrite_cache_pages[PA]\n lock(page)\n clear_page_dirty_for_io(page)\t// clear Dirty\n ubifs_writepage\n\n do_truncation[PB]\n\t\t\t truncate_setsize\n\t\t\t i_size_write(inode, newsize) // newsize = 0\n\n i_size = i_size_read(inode)\t// i_size = 0\n end_index = i_size >> PAGE_SHIFT\n if (page->index > end_index)\n goto out // jump\nout:\nunlock(page) // Private, Not Dirty\n\n\t\t\t\t\t\tgeneric_fadvise[PC]\n\t\t\t\t\t\t lock(page)\n\t\t\t\t\t\t invalidate_inode_page\n\t\t\t\t\t\t try_to_release_page\n\t\t\t\t\t\t ubifs_releasepage\n\t\t\t\t\t\t ubifs_assert(c, 0)\n\t\t // bad assertion!\n\t\t\t\t\t\t unlock(page)\n\t\t\t truncate_pagecache[PB]\n\nThen we may get following assertion failed:\n UBIFS error (ubi0:0 pid 1683): ubifs_assert_failed [ubifs]:\n UBIFS assert failed: 0, in fs/ubifs/file.c:1513\n UBIFS warning (ubi0:0 pid 1683): ubifs_ro_mode [ubifs]:\n switched to read-only mode, error -22\n CPU: 2 PID: 1683 Comm: aa Not tainted 5.16.0-rc5-00184-g0bca5994cacc-dirty #308\n Call Trace:\n dump_stack+0x13/0x1b\n ubifs_ro_mode+0x54/0x60 [ubifs]\n ubifs_assert_failed+0x4b/0x80 [ubifs]\n ubifs_releasepage+0x67/0x1d0 [ubifs]\n try_to_release_page+0x57/0xe0\n invalidate_inode_page+0xfb/0x130\n __invalidate_mapping_pages+0xb9/0x280\n invalidate_mapping_pagevec+0x12/0x20\n generic_fadvise+0x303/0x3c0\n ksys_fadvise64_64+0x4c/0xb0\n\n[1] https://bugzilla.kernel.org/show_bug.cgi?id=215373\n[2] https://linux-mtd.infradead.narkive.com/NQoBeT1u/patch-rfc-ubifs-fix-assert-failed-in-ubifs-set-page-dirty"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ubifs/file.c"
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],
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"versions": [
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{
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"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
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"lessThan": "7750be5d3e18500b454714677463b500a0b8b0d8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
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"lessThan": "bd188ff1c8a1935c93a1e3cacf3be62667fdf762",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
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"lessThan": "66f4742e93523ab2f062d9d9828b3e590bc61536",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ubifs/file.c"
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],
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"versions": [
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{
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"version": "2.6.27",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.27",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.18",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.2.5",
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"lessThanOrEqual": "6.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.27",
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"versionEndExcluding": "6.1.18"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.27",
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"versionEndExcluding": "6.2.5"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.27",
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"versionEndExcluding": "6.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/7750be5d3e18500b454714677463b500a0b8b0d8"
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},
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{
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"url": "https://git.kernel.org/stable/c/bd188ff1c8a1935c93a1e3cacf3be62667fdf762"
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},
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{
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"url": "https://git.kernel.org/stable/c/66f4742e93523ab2f062d9d9828b3e590bc61536"
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}
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],
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"title": "ubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |