164 lines
7.3 KiB
JSON
164 lines
7.3 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-2026-74602",
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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": "2026-08-15T05:44:03.919Z",
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"datePublished": "2026-08-22T15:31:50.811Z",
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"dateUpdated": "2026-08-23T12:47:43.108Z"
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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": "2026-08-23T12:47:43.108Z"
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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\nring-buffer: Initialise reader page order in rb_allocate_cpu_buffer()\n\nIn rb_allocate_cpu_buffer(), bpage->order was omitted, leaving it as 0.\nThis is an issue for a ring-buffer with subbufs bigger than PAGE_SIZE if\nwhen freed: free_buffer_page() relies on this value. Align the value\nwith the actual allocation size (buffer::subbuf_order)."
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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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"kernel/trace/ring_buffer.c"
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],
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"versions": [
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{
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"version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
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"lessThan": "7c620d89bae1a926ab7d626600285d3516c9f3c4",
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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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
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"lessThan": "2e37f2bf111429fbfa4d985b12df3ba496ca70aa",
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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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
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"lessThan": "3b3e0a6ee5bb3ac000f135beef26b2b7ed1a771a",
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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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
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"lessThan": "6d014e44b68ddd43f71288d2a4dbb1a259869149",
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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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"kernel/trace/ring_buffer.c"
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],
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"versions": [
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{
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"version": "6.8",
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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": "6.8",
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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": "6.12.105",
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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": "6.18.45",
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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": "7.1.9",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "6.8",
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"versionEndExcluding": "6.12.105"
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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": "6.8",
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"versionEndExcluding": "7.1.9"
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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": "6.8",
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"versionEndExcluding": "7.2"
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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/7c620d89bae1a926ab7d626600285d3516c9f3c4"
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},
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{
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"url": "https://git.kernel.org/stable/c/2e37f2bf111429fbfa4d985b12df3ba496ca70aa"
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},
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{
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"url": "https://git.kernel.org/stable/c/3b3e0a6ee5bb3ac000f135beef26b2b7ed1a771a"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d014e44b68ddd43f71288d2a4dbb1a259869149"
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}
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],
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"title": "ring-buffer: Initialise reader page order in rb_allocate_cpu_buffer()",
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"x_generator": {
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}
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} |