227 lines
11 KiB
JSON
227 lines
11 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-2025-68796",
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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": "2025-12-24T10:30:51.042Z",
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"datePublished": "2026-01-13T15:29:06.892Z",
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"dateUpdated": "2026-05-11T21:53:30.248Z"
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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": "2026-05-11T21:53:30.248Z"
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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\nf2fs: fix to avoid updating zero-sized extent in extent cache\n\nAs syzbot reported:\n\nF2FS-fs (loop0): __update_extent_tree_range: extent len is zero, type: 0, extent [0, 0, 0], age [0, 0]\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/extent_cache.c:678!\nOops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\nCPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:__update_extent_tree_range+0x13bc/0x1500 fs/f2fs/extent_cache.c:678\nCall Trace:\n <TASK>\n f2fs_update_read_extent_cache_range+0x192/0x3e0 fs/f2fs/extent_cache.c:1085\n f2fs_do_zero_range fs/f2fs/file.c:1657 [inline]\n f2fs_zero_range+0x10c1/0x1580 fs/f2fs/file.c:1737\n f2fs_fallocate+0x583/0x990 fs/f2fs/file.c:2030\n vfs_fallocate+0x669/0x7e0 fs/open.c:342\n ioctl_preallocate fs/ioctl.c:289 [inline]\n file_ioctl+0x611/0x780 fs/ioctl.c:-1\n do_vfs_ioctl+0xb33/0x1430 fs/ioctl.c:576\n __do_sys_ioctl fs/ioctl.c:595 [inline]\n __se_sys_ioctl+0x82/0x170 fs/ioctl.c:583\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f07bc58eec9\n\nIn error path of f2fs_zero_range(), it may add a zero-sized extent\ninto extent cache, it should be avoided."
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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/f2fs/file.c"
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],
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"versions": [
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{
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"version": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "9c07bd262c13ca922adad6e7613d48505f97f548",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "72c58a82e6fb7b327e8701f5786c70c3edc56188",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "e50b81c50fcbe63f50405bb40f262162ff32af88",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "efe3371001f50a2d6f746b50bdc6f9f26b2089ec",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "4f244c64efe628d277b916f47071adf480eb8646",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "bac23833220a1f8fe8dfab7e16efa20ff64d7589",
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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": "6e9619499f53b22ead972e476c0e8341c997d929",
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"lessThan": "7c37c79510329cd951a4dedf3f7bf7e2b18dccec",
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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/f2fs/file.c"
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],
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"versions": [
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{
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"version": "4.7",
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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": "4.7",
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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": "5.10.248",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.198",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.160",
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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": "6.6.120",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.64",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.3",
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"lessThanOrEqual": "6.18.*",
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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": "6.19",
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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": "4.7",
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"versionEndExcluding": "5.10.248"
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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": "4.7",
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"versionEndExcluding": "5.15.198"
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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": "4.7",
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"versionEndExcluding": "6.1.160"
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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": "4.7",
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"versionEndExcluding": "6.6.120"
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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": "4.7",
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"versionEndExcluding": "6.12.64"
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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": "4.7",
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"versionEndExcluding": "6.18.3"
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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": "4.7",
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"versionEndExcluding": "6.19"
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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/9c07bd262c13ca922adad6e7613d48505f97f548"
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},
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{
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"url": "https://git.kernel.org/stable/c/72c58a82e6fb7b327e8701f5786c70c3edc56188"
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},
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{
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"url": "https://git.kernel.org/stable/c/e50b81c50fcbe63f50405bb40f262162ff32af88"
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},
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{
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"url": "https://git.kernel.org/stable/c/efe3371001f50a2d6f746b50bdc6f9f26b2089ec"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f244c64efe628d277b916f47071adf480eb8646"
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},
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{
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"url": "https://git.kernel.org/stable/c/bac23833220a1f8fe8dfab7e16efa20ff64d7589"
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},
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{
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"url": "https://git.kernel.org/stable/c/7c37c79510329cd951a4dedf3f7bf7e2b18dccec"
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}
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],
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"title": "f2fs: fix to avoid updating zero-sized extent in extent cache",
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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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} |