164 lines
8.9 KiB
JSON
164 lines
8.9 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-2023-54176",
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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": "2025-12-30T12:06:44.496Z",
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"datePublished": "2025-12-30T12:08:48.915Z",
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"dateUpdated": "2026-05-11T19:56:55.238Z"
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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": "2026-05-11T19:56:55.238Z"
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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: stricter state check in mptcp_worker\n\nAs reported by Christoph, the mptcp protocol can run the\nworker when the relevant msk socket is in an unexpected state:\n\nconnect()\n// incoming reset + fastclose\n// the mptcp worker is scheduled\nmptcp_disconnect()\n// msk is now CLOSED\nlisten()\nmptcp_worker()\n\nLeading to the following splat:\n\ndivide error: 0000 [#1] PREEMPT SMP\nCPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 6.3.0-rc1-gde5e8fd0123c #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\nWorkqueue: events mptcp_worker\nRIP: 0010:__tcp_select_window+0x22c/0x4b0 net/ipv4/tcp_output.c:3018\nRSP: 0018:ffffc900000b3c98 EFLAGS: 00010293\nRAX: 000000000000ffd7 RBX: 000000000000ffd7 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: ffffffff8214ce97 RDI: 0000000000000004\nRBP: 000000000000ffd7 R08: 0000000000000004 R09: 0000000000010000\nR10: 000000000000ffd7 R11: ffff888005afa148 R12: 000000000000ffd7\nR13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\nFS: 0000000000000000(0000) GS:ffff88803ed00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000405270 CR3: 000000003011e006 CR4: 0000000000370ee0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n tcp_select_window net/ipv4/tcp_output.c:262 [inline]\n __tcp_transmit_skb+0x356/0x1280 net/ipv4/tcp_output.c:1345\n tcp_transmit_skb net/ipv4/tcp_output.c:1417 [inline]\n tcp_send_active_reset+0x13e/0x320 net/ipv4/tcp_output.c:3459\n mptcp_check_fastclose net/mptcp/protocol.c:2530 [inline]\n mptcp_worker+0x6c7/0x800 net/mptcp/protocol.c:2705\n process_one_work+0x3bd/0x950 kernel/workqueue.c:2390\n worker_thread+0x5b/0x610 kernel/workqueue.c:2537\n kthread+0x138/0x170 kernel/kthread.c:376\n ret_from_fork+0x2c/0x50 arch/x86/entry/entry_64.S:308\n </TASK>\n\nThis change addresses the issue explicitly checking for bad states\nbefore running the mptcp worker."
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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/protocol.c"
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],
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"versions": [
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{
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"version": "e16163b6e2b720fb74e5af758546f6dad27e6c9e",
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"lessThan": "f0b4a4086cf27240fc621a560da9735159049dcc",
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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": "e16163b6e2b720fb74e5af758546f6dad27e6c9e",
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"lessThan": "aff9099e9c51f15c8def05c75b2b73e8487b5d54",
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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": "e16163b6e2b720fb74e5af758546f6dad27e6c9e",
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"lessThan": "19ea79e87af32c2b3c6fc49bd84efeb35ca57678",
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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": "e16163b6e2b720fb74e5af758546f6dad27e6c9e",
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"lessThan": "d6a0443733434408f2cbd4c53fea6910599bab9e",
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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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"net/mptcp/protocol.c"
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],
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"versions": [
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{
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"version": "5.11",
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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": "5.11",
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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": "5.15.108",
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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": "6.1.25",
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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": "6.2.12",
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"lessThanOrEqual": "6.2.*",
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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": "6.3",
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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": "5.11",
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"versionEndExcluding": "5.15.108"
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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": "5.11",
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"versionEndExcluding": "6.1.25"
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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": "5.11",
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"versionEndExcluding": "6.2.12"
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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": "5.11",
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"versionEndExcluding": "6.3"
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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/f0b4a4086cf27240fc621a560da9735159049dcc"
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},
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{
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"url": "https://git.kernel.org/stable/c/aff9099e9c51f15c8def05c75b2b73e8487b5d54"
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},
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{
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"url": "https://git.kernel.org/stable/c/19ea79e87af32c2b3c6fc49bd84efeb35ca57678"
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},
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{
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"url": "https://git.kernel.org/stable/c/d6a0443733434408f2cbd4c53fea6910599bab9e"
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}
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],
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"title": "mptcp: stricter state check in mptcp_worker",
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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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} |