273 lines
13 KiB
JSON
273 lines
13 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-2026-23121",
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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": "2026-01-13T15:37:45.970Z",
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"datePublished": "2026-02-14T15:09:51.912Z",
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"dateUpdated": "2026-10-19T18:25:32.103Z"
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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": "2026-05-11T22:00:32.188Z"
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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\nmISDN: annotate data-race around dev->work\n\ndev->work can re read locklessly in mISDN_read()\nand mISDN_poll(). Add READ_ONCE()/WRITE_ONCE() annotations.\n\nBUG: KCSAN: data-race in mISDN_ioctl / mISDN_read\n\nwrite to 0xffff88812d848280 of 4 bytes by task 10864 on cpu 1:\n misdn_add_timer drivers/isdn/mISDN/timerdev.c:175 [inline]\n mISDN_ioctl+0x2fb/0x550 drivers/isdn/mISDN/timerdev.c:233\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:597 [inline]\n __se_sys_ioctl+0xce/0x140 fs/ioctl.c:583\n __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:583\n x64_sys_call+0x14b0/0x3000 arch/x86/include/generated/asm/syscalls_64.h:17\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xd8/0x2c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nread to 0xffff88812d848280 of 4 bytes by task 10857 on cpu 0:\n mISDN_read+0x1f2/0x470 drivers/isdn/mISDN/timerdev.c:112\n do_loop_readv_writev fs/read_write.c:847 [inline]\n vfs_readv+0x3fb/0x690 fs/read_write.c:1020\n do_readv+0xe7/0x210 fs/read_write.c:1080\n __do_sys_readv fs/read_write.c:1165 [inline]\n __se_sys_readv fs/read_write.c:1162 [inline]\n __x64_sys_readv+0x45/0x50 fs/read_write.c:1162\n x64_sys_call+0x2831/0x3000 arch/x86/include/generated/asm/syscalls_64.h:20\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xd8/0x2c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nvalue changed: 0x00000000 -> 0x00000001"
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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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"drivers/isdn/mISDN/timerdev.c"
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],
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"versions": [
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{
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"version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "d5d99cb9e0839093cd53aa3b28176fce2f820ca0",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "13f3b3b87068898056db4c79ee67052fbde11d43",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "accc3f8266d2a49881dbcf78c459477f4efa0ff3",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "fc8ba17fd3337bd8b1913c30b95df0fee00d8fb7",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "aa6e33cd74ca4965f2bbcb025e0b672fb0168a69",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "7ac345a93af31358e18e9606eb7b354691bf6757",
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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": "1b2b03f8e514e4f68e293846ba511a948b80243c",
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"lessThan": "8175dbf174d487afab81e936a862a8d9b8a1ccb6",
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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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"drivers/isdn/mISDN/timerdev.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": "5.10.249",
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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": "5.15.199",
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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": "6.1.162",
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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": "6.6.122",
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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": "6.12.68",
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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": "6.18.8",
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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": "2.6.27",
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"versionEndExcluding": "5.10.249"
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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": "5.15.199"
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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": "6.1.162"
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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": "6.6.122"
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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": "6.12.68"
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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": "6.18.8"
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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": "6.19"
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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/d5d99cb9e0839093cd53aa3b28176fce2f820ca0"
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},
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{
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"url": "https://git.kernel.org/stable/c/13f3b3b87068898056db4c79ee67052fbde11d43"
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},
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{
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"url": "https://git.kernel.org/stable/c/accc3f8266d2a49881dbcf78c459477f4efa0ff3"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc8ba17fd3337bd8b1913c30b95df0fee00d8fb7"
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},
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{
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"url": "https://git.kernel.org/stable/c/aa6e33cd74ca4965f2bbcb025e0b672fb0168a69"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ac345a93af31358e18e9606eb7b354691bf6757"
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},
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{
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"url": "https://git.kernel.org/stable/c/8175dbf174d487afab81e936a862a8d9b8a1ccb6"
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}
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],
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"title": "mISDN: annotate data-race around dev->work",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-23121",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-06-10T20:40:15.361866Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-362",
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"description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-19T18:25:32.103Z"
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}
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}
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]
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}
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} |