248 lines
12 KiB
JSON
248 lines
12 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-2022-49625",
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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": "2025-02-26T02:21:30.421Z",
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"datePublished": "2025-02-26T02:23:40.786Z",
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"dateUpdated": "2026-05-11T19:03:32.996Z"
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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": "2026-05-11T19:03:32.996Z"
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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\nsfc: fix kernel panic when creating VF\n\nWhen creating VFs a kernel panic can happen when calling to\nefx_ef10_try_update_nic_stats_vf.\n\nWhen releasing a DMA coherent buffer, sometimes, I don't know in what\nspecific circumstances, it has to unmap memory with vunmap. It is\ndisallowed to do that in IRQ context or with BH disabled. Otherwise, we\nhit this line in vunmap, causing the crash:\n BUG_ON(in_interrupt());\n\nThis patch reenables BH to release the buffer.\n\nLog messages when the bug is hit:\n kernel BUG at mm/vmalloc.c:2727!\n invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 6 PID: 1462 Comm: NetworkManager Kdump: loaded Tainted: G I --------- --- 5.14.0-119.el9.x86_64 #1\n Hardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020\n RIP: 0010:vunmap+0x2e/0x30\n ...skip...\n Call Trace:\n __iommu_dma_free+0x96/0x100\n efx_nic_free_buffer+0x2b/0x40 [sfc]\n efx_ef10_try_update_nic_stats_vf+0x14a/0x1c0 [sfc]\n efx_ef10_update_stats_vf+0x18/0x40 [sfc]\n efx_start_all+0x15e/0x1d0 [sfc]\n efx_net_open+0x5a/0xe0 [sfc]\n __dev_open+0xe7/0x1a0\n __dev_change_flags+0x1d7/0x240\n dev_change_flags+0x21/0x60\n ...skip..."
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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/ethernet/sfc/ef10.c"
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],
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"versions": [
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{
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"status": "affected",
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"status": "affected",
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"lessThan": "da346adcf5573fd8663cabfdfe8371009629a906",
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"status": "affected",
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"status": "affected",
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"lessThan": "68e5f32f0de9594629ff9e599294d9801c6187de",
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"status": "affected",
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{
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"lessThan": "16662524ec5da801fb78a1afcaf6e782f1cf103a",
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"status": "affected",
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{
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"version": "d778819609a27efd5358da8151a0ad3507243e19",
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"lessThan": "ada74c5539eba06cf8b47d068f92e0b3963a9a6e",
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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/ethernet/sfc/ef10.c"
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],
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"versions": [
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{
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"version": "4.2",
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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": "4.2",
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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": "4.9.324",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.289",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.253",
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"lessThanOrEqual": "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": "5.4.207",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.132",
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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": "5.15.56",
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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": "5.18.13",
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"lessThanOrEqual": "5.18.*",
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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": "5.19",
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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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"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": "4.2",
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"versionEndExcluding": "4.9.324"
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/d9840212a9c00507347c703f4fdeda16400407e0"
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},
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{
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"url": "https://git.kernel.org/stable/c/b9072305270579a9d6afc9b926166231e5b1a7c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/82bcb730f856086f033e6c04082eb4503d4c2fa4"
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},
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{
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"url": "https://git.kernel.org/stable/c/da346adcf5573fd8663cabfdfe8371009629a906"
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},
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{
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"url": "https://git.kernel.org/stable/c/b82e4ad58a7fb72456503958a93060f87896e629"
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},
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{
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"url": "https://git.kernel.org/stable/c/68e5f32f0de9594629ff9e599294d9801c6187de"
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},
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{
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"url": "https://git.kernel.org/stable/c/16662524ec5da801fb78a1afcaf6e782f1cf103a"
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},
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{
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"url": "https://git.kernel.org/stable/c/ada74c5539eba06cf8b47d068f92e0b3963a9a6e"
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}
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],
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"title": "sfc: fix kernel panic when creating VF",
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