172 lines
9.0 KiB
JSON
172 lines
9.0 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-2022-49018",
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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": "2024-08-22T01:27:53.646Z",
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"datePublished": "2024-10-21T20:06:26.627Z",
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"dateUpdated": "2026-05-23T15:21:25.307Z"
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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": "2026-05-23T15:21:25.307Z"
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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\nmptcp: fix sleep in atomic at close time\n\nMatt reported a splat at msk close time:\n\n BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 155, name: packetdrill\n preempt_count: 201, expected: 0\n RCU nest depth: 0, expected: 0\n 4 locks held by packetdrill/155:\n #0: ffff888001536990 (&sb->s_type->i_mutex_key#6){+.+.}-{3:3}, at: __sock_release (net/socket.c:650)\n #1: ffff88800b498130 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close (net/mptcp/protocol.c:2973)\n #2: ffff88800b49a130 (sk_lock-AF_INET/1){+.+.}-{0:0}, at: __mptcp_close_ssk (net/mptcp/protocol.c:2363)\n #3: ffff88800b49a0b0 (slock-AF_INET){+...}-{2:2}, at: __lock_sock_fast (include/net/sock.h:1820)\n Preemption disabled at:\n 0x0\n CPU: 1 PID: 155 Comm: packetdrill Not tainted 6.1.0-rc5 #365\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl (lib/dump_stack.c:107 (discriminator 4))\n __might_resched.cold (kernel/sched/core.c:9891)\n __mptcp_destroy_sock (include/linux/kernel.h:110)\n __mptcp_close (net/mptcp/protocol.c:2959)\n mptcp_subflow_queue_clean (include/net/sock.h:1777)\n __mptcp_close_ssk (net/mptcp/protocol.c:2363)\n mptcp_destroy_common (net/mptcp/protocol.c:3170)\n mptcp_destroy (include/net/sock.h:1495)\n __mptcp_destroy_sock (net/mptcp/protocol.c:2886)\n __mptcp_close (net/mptcp/protocol.c:2959)\n mptcp_close (net/mptcp/protocol.c:2974)\n inet_release (net/ipv4/af_inet.c:432)\n __sock_release (net/socket.c:651)\n sock_close (net/socket.c:1367)\n __fput (fs/file_table.c:320)\n task_work_run (kernel/task_work.c:181 (discriminator 1))\n exit_to_user_mode_prepare (include/linux/resume_user_mode.h:49)\n syscall_exit_to_user_mode (kernel/entry/common.c:130)\n do_syscall_64 (arch/x86/entry/common.c:87)\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)\n\nWe can't call mptcp_close under the 'fast' socket lock variant, replace\nit with a sock_lock_nested() as the relevant code is already under the\nlistening msk socket lock protection."
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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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"net/mptcp/subflow.c"
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],
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"versions": [
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{
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"version": "30e51b923e436b631e8d5b77fa5e318c6b066dc7",
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"lessThan": "d8e6c5500dbf0f3e87aace90d4beba6ae928e866",
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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": "30e51b923e436b631e8d5b77fa5e318c6b066dc7",
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"lessThan": "b4f166651d03b5484fa179817ba8ad4899a5a6ac",
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"status": "affected",
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},
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{
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"version": "b41808bfa049d1bc7ce8ce1ad4d591f7d203ebb9",
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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": "5.19.14",
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"lessThan": "5.20",
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"status": "affected",
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"versionType": "semver"
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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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"net/mptcp/subflow.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.0.12",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "6.0",
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"versionEndExcluding": "6.0.12"
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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": "6.0",
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"versionEndExcluding": "6.1"
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},
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{
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"vulnerable": true,
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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/d8e6c5500dbf0f3e87aace90d4beba6ae928e866"
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},
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{
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"url": "https://git.kernel.org/stable/c/b4f166651d03b5484fa179817ba8ad4899a5a6ac"
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}
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],
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"title": "mptcp: fix sleep in atomic at close time",
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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-2022-49018",
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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": "2024-10-22T13:12:58.392450Z"
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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": "2024-10-22T13:18:37.571Z"
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}
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} |