206 lines
10 KiB
JSON
206 lines
10 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-2026-53292",
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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": "2026-06-09T07:44:35.396Z",
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"datePublished": "2026-06-26T19:40:51.470Z",
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"dateUpdated": "2026-10-30T12:26:55.765Z"
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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": "2026-10-30T12:26:55.765Z"
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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\nnet: phonet: do not BUG_ON() in pn_socket_autobind() on failed bind\n\nsyzbot reported a kernel BUG triggered from pn_socket_sendmsg() via\npn_socket_autobind():\n\n kernel BUG at net/phonet/socket.c:213!\n RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]\n RIP: 0010:pn_socket_sendmsg+0x240/0x250 net/phonet/socket.c:421\n Call Trace:\n sock_sendmsg_nosec+0x112/0x150 net/socket.c:797\n __sock_sendmsg net/socket.c:812 [inline]\n __sys_sendto+0x402/0x590 net/socket.c:2280\n ...\n\npn_socket_autobind() calls pn_socket_bind() with port 0 and, on\n-EINVAL, assumes the socket was already bound and asserts that the\nport is non-zero:\n\n err = pn_socket_bind(sock, ..., sizeof(struct sockaddr_pn));\n if (err != -EINVAL)\n return err;\n BUG_ON(!pn_port(pn_sk(sock->sk)->sobject));\n return 0; /* socket was already bound */\n\nHowever pn_socket_bind() also returns -EINVAL when sk->sk_state is not\nTCP_CLOSE, even when the socket has never been bound and pn_port() is\nstill 0. In that case the BUG_ON() fires and panics the kernel from a\nuser-triggerable path.\n\nTreat the \"bind returned -EINVAL but pn_port() is still 0\" case as a\nregular error and propagate -EINVAL to the caller instead of crashing.\nExisting callers already translate a non-zero return from\npn_socket_autobind() into -ENOBUFS/-EAGAIN, so returning -EINVAL here\nonly changes behaviour from panic to a normal errno."
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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/phonet/socket.c"
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],
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"versions": [
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{
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"version": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "6972021488e3142f30a89d8035eebeefbbe65656",
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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": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "4255c8f756b78d07800baf3320bdbdc130c54193",
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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": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "363c7fcac553dc2aa12fc90c6e5e6eba87500269",
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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": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "5459933a799aaf642cbeb35fdf7e78c59bf2fb9b",
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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": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "6db58ee730bf434d1afca91b91826e26688856ed",
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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": "ba113a94b7503ee23ffe819e7045134b0c1d31de",
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"lessThan": "5b0c911bcdbd982f7748d11c0b39ec5808eae2de",
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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/phonet/socket.c"
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],
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"versions": [
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{
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"version": "2.6.28",
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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": "2.6.28",
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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": "6.1.191",
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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": "6.6.160",
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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": "6.12.114",
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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": "6.18.57",
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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": "7.0.10",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "2.6.28",
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"versionEndExcluding": "6.1.191"
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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": "2.6.28",
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"versionEndExcluding": "6.6.160"
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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": "2.6.28",
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"versionEndExcluding": "6.12.114"
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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": "2.6.28",
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"versionEndExcluding": "6.18.57"
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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": "2.6.28",
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"versionEndExcluding": "7.0.10"
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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": "2.6.28",
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"versionEndExcluding": "7.1"
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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/6972021488e3142f30a89d8035eebeefbbe65656"
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},
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{
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"url": "https://git.kernel.org/stable/c/4255c8f756b78d07800baf3320bdbdc130c54193"
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},
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{
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"url": "https://git.kernel.org/stable/c/363c7fcac553dc2aa12fc90c6e5e6eba87500269"
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},
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{
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"url": "https://git.kernel.org/stable/c/5459933a799aaf642cbeb35fdf7e78c59bf2fb9b"
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},
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{
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"url": "https://git.kernel.org/stable/c/6db58ee730bf434d1afca91b91826e26688856ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/5b0c911bcdbd982f7748d11c0b39ec5808eae2de"
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}
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],
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"title": "net: phonet: do not BUG_ON() in pn_socket_autobind() on failed bind",
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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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} |