{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T09:26:22.844","vulnerabilities":[{"cve":{"id":"CVE-2022-48755","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-06-20T12:15:13.653","lastModified":"2025-01-06T21:44:42.290","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","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."},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: powerpc64/bpf: Limite 'ldbrx' a procesadores compatibles con ISA v2.06 Johan informó el siguiente fallo con test_bpf en ppc64 e5500: test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -&gt; 0x67452301 jited:1 Ups: Excepción en modo kernel, sign: 4 [#1] BE PAGE_SIZE=4K SMP NR_CPUS=24 Módulos QEMU e500 vinculados en: test_bpf(+) CPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0- 03771-g98c2059e008a-dirty #1 NIP: 8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18 REGS: c0000000032d3420 TRAP: 0700 No contaminado (5.14.0-0 3771-g98c2059e008a-dirty) MSR: 0000000080089000  CR: 88002822 XER: 20000000 IRQMASK : 0 &lt;...&gt; NIP [8000000000061c3c] 0x8000000000061c3c LR [80000000006dea64] .__run_one+0x104/0x17c [test_bpf] Seguimiento de llamadas: .__run_one+0x60/0x17c [test_bpf] (no confiable). test_bpf_init+0x6a8/0xdc8 [test_bpf] . do_one_initcall+0x6c/0x28c .do_init_module+0x68/0x28c .load_module+0x2460/0x2abc .__do_sys_init_module+0x120/0x18c .system_call_exception+0x110/0x1b8 system_call_common+0xf0/0x210 --- interrupción : c00 en 0x101d0acc &lt;...&gt; --- [ end trace 47b2bf19090bb3d0 ]--- Instrucción ilegal La instrucción ilegal resultó ser 'ldbrx' emitida para BPF_FROM_[L|B]E, que solo se introdujo en ISA v2.06. Proteger el uso de los mismos e implementar un enfoque alternativo para procesadores más antiguos."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.96","matchCriteriaId":"60F53B84-60D9-4B4C-ABF2-EBB451BF7D86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.19","matchCriteriaId":"DF69DD7C-FD57-4914-ABB0-FAEF87B0289D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.5","matchCriteriaId":"1AD9E77E-B27E-450C-8FD8-B64EC5FB002D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*","matchCriteriaId":"7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/129c71829d7f46423d95c19e8d87ce956d4c6e1c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3bfbc00587dc883eaed383558ae512a351c2cd09","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3f5f766d5f7f95a69a630da3544a1a0cee1cdddf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/aaccfeeee1630b155e8ff0d6c449d3de1ef86e73","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/129c71829d7f46423d95c19e8d87ce956d4c6e1c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3bfbc00587dc883eaed383558ae512a351c2cd09","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3f5f766d5f7f95a69a630da3544a1a0cee1cdddf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/aaccfeeee1630b155e8ff0d6c449d3de1ef86e73","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}