234 lines
11 KiB
JSON
234 lines
11 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-2022-48755",
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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": "2024-06-20T11:09:39.059Z",
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"datePublished": "2024-06-20T11:13:35.212Z",
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"dateUpdated": "2026-05-11T18:46:18.418Z"
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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": "2026-05-11T18:46:18.418Z"
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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\npowerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06\n\nJohan reported the below crash with test_bpf on ppc64 e5500:\n\n test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -> 0x67452301 jited:1\n Oops: Exception in kernel mode, sig: 4 [#1]\n BE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500\n Modules linked in: test_bpf(+)\n CPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0-03771-g98c2059e008a-dirty #1\n NIP: 8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18\n REGS: c0000000032d3420 TRAP: 0700 Not tainted (5.14.0-03771-g98c2059e008a-dirty)\n MSR: 0000000080089000 <EE,ME> CR: 88002822 XER: 20000000 IRQMASK: 0\n <...>\n NIP [8000000000061c3c] 0x8000000000061c3c\n LR [80000000006dea64] .__run_one+0x104/0x17c [test_bpf]\n Call Trace:\n .__run_one+0x60/0x17c [test_bpf] (unreliable)\n .test_bpf_init+0x6a8/0xdc8 [test_bpf]\n .do_one_initcall+0x6c/0x28c\n .do_init_module+0x68/0x28c\n .load_module+0x2460/0x2abc\n .__do_sys_init_module+0x120/0x18c\n .system_call_exception+0x110/0x1b8\n system_call_common+0xf0/0x210\n --- interrupt: c00 at 0x101d0acc\n <...>\n ---[ end trace 47b2bf19090bb3d0 ]---\n\n Illegal instruction\n\nThe illegal instruction turned out to be 'ldbrx' emitted for\nBPF_FROM_[L|B]E, which was only introduced in ISA v2.06. Guard use of\nthe same and implement an alternative approach for older processors."
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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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"arch/powerpc/include/asm/ppc-opcode.h",
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"arch/powerpc/net/bpf_jit_comp64.c"
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],
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"versions": [
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{
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"version": "156d0e290e969caba25f1851c52417c14d141b24",
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"lessThan": "129c71829d7f46423d95c19e8d87ce956d4c6e1c",
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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": "156d0e290e969caba25f1851c52417c14d141b24",
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"lessThan": "3bfbc00587dc883eaed383558ae512a351c2cd09",
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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": "156d0e290e969caba25f1851c52417c14d141b24",
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"lessThan": "aaccfeeee1630b155e8ff0d6c449d3de1ef86e73",
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"status": "affected",
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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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"arch/powerpc/include/asm/ppc-opcode.h",
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"arch/powerpc/net/bpf_jit_comp64.c"
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],
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"versions": [
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{
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"version": "4.8",
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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": "4.8",
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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": "5.10.96",
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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": "5.15.19",
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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": "5.16.5",
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"lessThanOrEqual": "5.16.*",
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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": "5.17",
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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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"nodes": [
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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": "4.8",
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"versionEndExcluding": "5.10.96"
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},
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"vulnerable": true,
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"url": "https://git.kernel.org/stable/c/129c71829d7f46423d95c19e8d87ce956d4c6e1c"
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"url": "https://git.kernel.org/stable/c/3bfbc00587dc883eaed383558ae512a351c2cd09"
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"url": "https://git.kernel.org/stable/c/aaccfeeee1630b155e8ff0d6c449d3de1ef86e73"
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"url": "https://git.kernel.org/stable/c/3f5f766d5f7f95a69a630da3544a1a0cee1cdddf"
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}
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"title": "powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06",
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"content": {
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"id": "CVE-2022-48755",
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"role": "CISA Coordinator",
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"options": [
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{
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