122 lines
6.2 KiB
JSON
122 lines
6.2 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-2026-23183",
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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": "2026-01-13T15:37:45.984Z",
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"datePublished": "2026-02-14T16:27:13.482Z",
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"dateUpdated": "2026-05-11T22:01:55.689Z"
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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": "2026-05-11T22:01:55.689Z"
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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\ncgroup/dmem: fix NULL pointer dereference when setting max\n\nAn issue was triggered:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0000 [#1] SMP NOPTI\n CPU: 15 UID: 0 PID: 658 Comm: bash Tainted: 6.19.0-rc6-next-2026012\n Tainted: [O]=OOT_MODULE\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n RIP: 0010:strcmp+0x10/0x30\n RSP: 0018:ffffc900017f7dc0 EFLAGS: 00000246\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888107cd4358\n RDX: 0000000019f73907 RSI: ffffffff82cc381a RDI: 0000000000000000\n RBP: ffff8881016bef0d R08: 000000006c0e7145 R09: 0000000056c0e714\n R10: 0000000000000001 R11: ffff888107cd4358 R12: 0007ffffffffffff\n R13: ffff888101399200 R14: ffff888100fcb360 R15: 0007ffffffffffff\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000105c79000 CR4: 00000000000006f0\n Call Trace:\n <TASK>\n dmemcg_limit_write.constprop.0+0x16d/0x390\n ? __pfx_set_resource_max+0x10/0x10\n kernfs_fop_write_iter+0x14e/0x200\n vfs_write+0x367/0x510\n ksys_write+0x66/0xe0\n do_syscall_64+0x6b/0x390\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n RIP: 0033:0x7f42697e1887\n\nIt was trriggered setting max without limitation, the command is like:\n\"echo test/region0 > dmem.max\". To fix this issue, add check whether\noptions is valid after parsing the region_name."
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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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"kernel/cgroup/dmem.c"
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],
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"versions": [
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{
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"version": "b168ed458ddecc176f3b9a1f4bcd83d7a4541c14",
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"lessThan": "c13816e8fa23deec6a8d7465d9e637fd02683b5c",
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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": "b168ed458ddecc176f3b9a1f4bcd83d7a4541c14",
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"lessThan": "43151f812886be1855d2cba059f9c93e4729460b",
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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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"kernel/cgroup/dmem.c"
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],
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"versions": [
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{
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"version": "6.14",
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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": "6.14",
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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": "6.18.10",
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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": "6.14",
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"versionEndExcluding": "6.18.10"
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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": "6.14",
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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/c13816e8fa23deec6a8d7465d9e637fd02683b5c"
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},
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{
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"url": "https://git.kernel.org/stable/c/43151f812886be1855d2cba059f9c93e4729460b"
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}
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],
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"title": "cgroup/dmem: fix NULL pointer dereference when setting max",
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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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} |