185 lines
9.8 KiB
JSON
185 lines
9.8 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-2023-54246",
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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": "2025-12-30T12:06:44.513Z",
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"datePublished": "2025-12-30T12:15:44.729Z",
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"dateUpdated": "2026-05-11T19:58:17.052Z"
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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": "2026-05-11T19:58:17.052Z"
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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\nrcuscale: Move rcu_scale_writer() schedule_timeout_uninterruptible() to _idle()\n\nThe rcuscale.holdoff module parameter can be used to delay the start\nof rcu_scale_writer() kthread. However, the hung-task timeout will\ntrigger when the timeout specified by rcuscale.holdoff is greater than\nhung_task_timeout_secs:\n\nrunqemu kvm nographic slirp qemuparams=\"-smp 4 -m 2048M\"\nbootparams=\"rcuscale.shutdown=0 rcuscale.holdoff=300\"\n\n[ 247.071753] INFO: task rcu_scale_write:59 blocked for more than 122 seconds.\n[ 247.072529] Not tainted 6.4.0-rc1-00134-gb9ed6de8d4ff #7\n[ 247.073400] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 247.074331] task:rcu_scale_write state:D stack:30144 pid:59 ppid:2 flags:0x00004000\n[ 247.075346] Call Trace:\n[ 247.075660] <TASK>\n[ 247.075965] __schedule+0x635/0x1280\n[ 247.076448] ? __pfx___schedule+0x10/0x10\n[ 247.076967] ? schedule_timeout+0x2dc/0x4d0\n[ 247.077471] ? __pfx_lock_release+0x10/0x10\n[ 247.078018] ? enqueue_timer+0xe2/0x220\n[ 247.078522] schedule+0x84/0x120\n[ 247.078957] schedule_timeout+0x2e1/0x4d0\n[ 247.079447] ? __pfx_schedule_timeout+0x10/0x10\n[ 247.080032] ? __pfx_rcu_scale_writer+0x10/0x10\n[ 247.080591] ? __pfx_process_timeout+0x10/0x10\n[ 247.081163] ? __pfx_sched_set_fifo_low+0x10/0x10\n[ 247.081760] ? __pfx_rcu_scale_writer+0x10/0x10\n[ 247.082287] rcu_scale_writer+0x6b1/0x7f0\n[ 247.082773] ? mark_held_locks+0x29/0xa0\n[ 247.083252] ? __pfx_rcu_scale_writer+0x10/0x10\n[ 247.083865] ? __pfx_rcu_scale_writer+0x10/0x10\n[ 247.084412] kthread+0x179/0x1c0\n[ 247.084759] ? __pfx_kthread+0x10/0x10\n[ 247.085098] ret_from_fork+0x2c/0x50\n[ 247.085433] </TASK>\n\nThis commit therefore replaces schedule_timeout_uninterruptible() with\nschedule_timeout_idle()."
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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/rcu/rcuscale.c"
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],
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"versions": [
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{
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"version": "df37e66bfdbb57e8cae7dbf39a0c66b1b8701338",
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"lessThan": "55887adc76e19aec9763186e2c1d0a3481d20e96",
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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": "df37e66bfdbb57e8cae7dbf39a0c66b1b8701338",
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"lessThan": "4f03fba096bfded90e0d71eba8839a46922164d1",
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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": "df37e66bfdbb57e8cae7dbf39a0c66b1b8701338",
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"lessThan": "83ed0cdb6ae0383dd14b02375c353773836884ed",
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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": "df37e66bfdbb57e8cae7dbf39a0c66b1b8701338",
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"lessThan": "9416dccb31fdb190d25d57e97674f232651f6560",
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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": "df37e66bfdbb57e8cae7dbf39a0c66b1b8701338",
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"lessThan": "e60c122a1614b4f65b29a7bef9d83b9fd30e937a",
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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/rcu/rcuscale.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": "5.10.197",
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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": "5.15.133",
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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": "6.1.55",
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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": "6.5.5",
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"lessThanOrEqual": "6.5.*",
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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",
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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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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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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": "5.10.197"
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},
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{
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"vulnerable": true,
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"versionStartIncluding": "4.7",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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/55887adc76e19aec9763186e2c1d0a3481d20e96"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f03fba096bfded90e0d71eba8839a46922164d1"
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},
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{
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"url": "https://git.kernel.org/stable/c/83ed0cdb6ae0383dd14b02375c353773836884ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/9416dccb31fdb190d25d57e97674f232651f6560"
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},
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{
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"url": "https://git.kernel.org/stable/c/e60c122a1614b4f65b29a7bef9d83b9fd30e937a"
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}
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],
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"title": "rcuscale: Move rcu_scale_writer() schedule_timeout_uninterruptible() to _idle()",
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"x_generator": {
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} |