122 lines
6.3 KiB
JSON
122 lines
6.3 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-2025-38442",
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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": "2025-04-16T04:51:24.016Z",
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"datePublished": "2025-07-25T15:27:26.009Z",
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"dateUpdated": "2026-05-11T21:28:05.220Z"
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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": "2026-05-11T21:28:05.220Z"
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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\nblock: reject bs > ps block devices when THP is disabled\n\nIf THP is disabled and when a block device with logical block size >\npage size is present, the following null ptr deref panic happens during\nboot:\n\n[ [13.2 mK AOSAN: null-ptr-deref in range [0x0000000000000000-0x0000000000K0 0 0[07]\n[ 13.017749] RIP: 0010:create_empty_buffers+0x3b/0x380\n<snip>\n[ 13.025448] Call Trace:\n[ 13.025692] <TASK>\n[ 13.025895] block_read_full_folio+0x610/0x780\n[ 13.026379] ? __pfx_blkdev_get_block+0x10/0x10\n[ 13.027008] ? __folio_batch_add_and_move+0x1fa/0x2b0\n[ 13.027548] ? __pfx_blkdev_read_folio+0x10/0x10\n[ 13.028080] filemap_read_folio+0x9b/0x200\n[ 13.028526] ? __pfx_filemap_read_folio+0x10/0x10\n[ 13.029030] ? __filemap_get_folio+0x43/0x620\n[ 13.029497] do_read_cache_folio+0x155/0x3b0\n[ 13.029962] ? __pfx_blkdev_read_folio+0x10/0x10\n[ 13.030381] read_part_sector+0xb7/0x2a0\n[ 13.030805] read_lba+0x174/0x2c0\n<snip>\n[ 13.045348] nvme_scan_ns+0x684/0x850 [nvme_core]\n[ 13.045858] ? __pfx_nvme_scan_ns+0x10/0x10 [nvme_core]\n[ 13.046414] ? _raw_spin_unlock+0x15/0x40\n[ 13.046843] ? __switch_to+0x523/0x10a0\n[ 13.047253] ? kvm_clock_get_cycles+0x14/0x30\n[ 13.047742] ? __pfx_nvme_scan_ns_async+0x10/0x10 [nvme_core]\n[ 13.048353] async_run_entry_fn+0x96/0x4f0\n[ 13.048787] process_one_work+0x667/0x10a0\n[ 13.049219] worker_thread+0x63c/0xf60\n\nAs large folio support depends on THP, only allow bs > ps block devices\nif THP is enabled."
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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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"include/linux/blkdev.h"
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],
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"versions": [
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{
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"version": "47dd67532303803a87f43195e088b3b4bcf0454d",
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"lessThan": "b025d81b96bfe8a62b6e3e6ac776608206ccbf6d",
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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": "47dd67532303803a87f43195e088b3b4bcf0454d",
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"lessThan": "4cdf1bdd45ac78a088773722f009883af30ad318",
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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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"include/linux/blkdev.h"
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],
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"versions": [
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{
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"version": "6.15",
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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": "6.15",
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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": "6.15.7",
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"lessThanOrEqual": "6.15.*",
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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": "6.16",
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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": "6.15",
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"versionEndExcluding": "6.15.7"
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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": "6.15",
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"versionEndExcluding": "6.16"
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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/b025d81b96bfe8a62b6e3e6ac776608206ccbf6d"
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},
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{
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"url": "https://git.kernel.org/stable/c/4cdf1bdd45ac78a088773722f009883af30ad318"
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}
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],
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"title": "block: reject bs > ps block devices when THP is disabled",
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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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} |