206 lines
9.8 KiB
JSON
206 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-2026-97599",
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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": "2026-09-24T16:01:01.157Z",
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"datePublished": "2026-09-25T10:22:13.606Z",
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"dateUpdated": "2026-10-30T12:37:33.925Z"
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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": "2026-10-30T12:37:33.925Z"
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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\nieee802154: hwsim: serialize pib updates to fix double-free\n\nhwsim_update_pib() does an unserialized read-swap-free of phy->pib:\n\n\tpib_old = rtnl_dereference(phy->pib);\n\t...\n\trcu_assign_pointer(phy->pib, pib);\n\tkfree_rcu(pib_old, rcu);\n\nIt assumes the RTNL is held, but ->set_channel is not always called\nunder it: the mac802154 scan worker changes channels via\ndrv_set_channel() without the RTNL. Such an update can race an\nRTNL-held one on the same phy; both read the same pib_old and both\nkfree_rcu() it, double-freeing the object. With SLUB percpu sheaves\nbatching kfree_rcu(), this surfaces as a KASAN invalid-free in\nrcu_free_sheaf().\n\nstruct hwsim_phy has no lock for pib. Add one and make the swap atomic\nwith rcu_replace_pointer() under it, dropping the misleading\nrtnl_dereference()."
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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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"drivers/net/ieee802154/mac802154_hwsim.c"
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],
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"versions": [
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{
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"version": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "8f44a61f816581c35c1974c8c1a3b3c2c49e96be",
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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": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "e3b4681197aa026bd2d79358de5a3d62b76b04b9",
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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": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "9973b3a67a7592a780ea12b08334539a900deec1",
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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": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "d3b8f264ce09573aededd0a97dc41c8147797d8f",
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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": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "db6442deecb1f13aeaf4f9d77746ea7555630fb3",
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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": "f25da51fdc381ca2863248c7060b3662632f0872",
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"lessThan": "979d5b8de8ed4e1f997aef12da5694b99be7b871",
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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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"drivers/net/ieee802154/mac802154_hwsim.c"
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],
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"versions": [
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{
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"version": "4.19",
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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": "4.19",
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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": "6.6.158",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "4.19",
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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": "4.19",
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"versionEndExcluding": "6.6.158"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.19",
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"versionEndExcluding": "6.12.111"
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},
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"versionStartIncluding": "4.19",
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"versionEndExcluding": "6.18.53"
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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.19",
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"versionEndExcluding": "7.2.7"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.19",
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"versionEndExcluding": "7.3"
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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/8f44a61f816581c35c1974c8c1a3b3c2c49e96be"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3b4681197aa026bd2d79358de5a3d62b76b04b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/9973b3a67a7592a780ea12b08334539a900deec1"
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},
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{
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"url": "https://git.kernel.org/stable/c/d3b8f264ce09573aededd0a97dc41c8147797d8f"
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},
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{
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"url": "https://git.kernel.org/stable/c/db6442deecb1f13aeaf4f9d77746ea7555630fb3"
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},
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{
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"url": "https://git.kernel.org/stable/c/979d5b8de8ed4e1f997aef12da5694b99be7b871"
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}
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],
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"title": "ieee802154: hwsim: serialize pib updates to fix double-free",
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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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} |