131 lines
7.6 KiB
JSON
131 lines
7.6 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-2025-38221",
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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": "2025-04-16T04:51:23.995Z",
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"datePublished": "2025-07-04T13:37:37.248Z",
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"dateUpdated": "2026-05-11T21:23:34.763Z"
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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": "2026-05-11T21:23:34.763Z"
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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\next4: fix out of bounds punch offset\n\nPunching a hole with a start offset that exceeds max_end is not\npermitted and will result in a negative length in the\ntruncate_inode_partial_folio() function while truncating the page cache,\npotentially leading to undesirable consequences.\n\nA simple reproducer:\n\n truncate -s 9895604649994 /mnt/foo\n xfs_io -c \"pwrite 8796093022208 4096\" /mnt/foo\n xfs_io -c \"fpunch 8796093022213 25769803777\" /mnt/foo\n\n kernel BUG at include/linux/highmem.h:275!\n Oops: invalid opcode: 0000 [#1] SMP PTI\n CPU: 3 UID: 0 PID: 710 Comm: xfs_io Not tainted 6.15.0-rc3\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\n RIP: 0010:zero_user_segments.constprop.0+0xd7/0x110\n RSP: 0018:ffffc90001cf3b38 EFLAGS: 00010287\n RAX: 0000000000000005 RBX: ffffea0001485e40 RCX: 0000000000001000\n RDX: 000000000040b000 RSI: 0000000000000005 RDI: 000000000040b000\n RBP: 000000000040affb R08: ffff888000000000 R09: ffffea0000000000\n R10: 0000000000000003 R11: 00000000fffc7fc5 R12: 0000000000000005\n R13: 000000000040affb R14: ffffea0001485e40 R15: ffff888031cd3000\n FS: 00007f4f63d0b780(0000) GS:ffff8880d337d000(0000)\n knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 000000001ae0b038 CR3: 00000000536aa000 CR4: 00000000000006f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n <TASK>\n truncate_inode_partial_folio+0x3dd/0x620\n truncate_inode_pages_range+0x226/0x720\n ? bdev_getblk+0x52/0x3e0\n ? ext4_get_group_desc+0x78/0x150\n ? crc32c_arch+0xfd/0x180\n ? __ext4_get_inode_loc+0x18c/0x840\n ? ext4_inode_csum+0x117/0x160\n ? jbd2_journal_dirty_metadata+0x61/0x390\n ? __ext4_handle_dirty_metadata+0xa0/0x2b0\n ? kmem_cache_free+0x90/0x5a0\n ? jbd2_journal_stop+0x1d5/0x550\n ? __ext4_journal_stop+0x49/0x100\n truncate_pagecache_range+0x50/0x80\n ext4_truncate_page_cache_block_range+0x57/0x3a0\n ext4_punch_hole+0x1fe/0x670\n ext4_fallocate+0x792/0x17d0\n ? __count_memcg_events+0x175/0x2a0\n vfs_fallocate+0x121/0x560\n ksys_fallocate+0x51/0xc0\n __x64_sys_fallocate+0x24/0x40\n x64_sys_call+0x18d2/0x4170\n do_syscall_64+0xa7/0x220\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nFix this by filtering out cases where the punching start offset exceeds\nmax_end."
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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/ext4/inode.c"
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],
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"versions": [
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{
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"version": "33f61ecabb10098b63dad3b729552779379f900d",
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"lessThan": "a4d60ba277ecd8a98c5a593cbc0ef2237c20a541",
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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": "982bf37da09d078570650b691d9084f43805a5de",
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"lessThan": "28b62cb58fd014338f5004170f2e3a35bf0af238",
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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": "982bf37da09d078570650b691d9084f43805a5de",
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"lessThan": "b5e58bcd79625423487fa3ecba8e8411b5396327",
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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/ext4/inode.c"
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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": "6.15.4",
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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": "6.15.4"
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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/a4d60ba277ecd8a98c5a593cbc0ef2237c20a541"
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},
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{
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"url": "https://git.kernel.org/stable/c/28b62cb58fd014338f5004170f2e3a35bf0af238"
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},
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{
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"url": "https://git.kernel.org/stable/c/b5e58bcd79625423487fa3ecba8e8411b5396327"
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}
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],
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"title": "ext4: fix out of bounds punch offset",
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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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} |