{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-48755", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-20T11:09:39.059Z", "datePublished": "2024-06-20T11:13:35.212Z", "dateUpdated": "2025-05-04T08:22:25.528Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:22:25.528Z"}, "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. 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Guard use of\nthe same and implement an alternative approach for older processors."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.96", "versionStartIncluding": "4.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.19", "versionStartIncluding": "4.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16.5", "versionStartIncluding": "4.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.17", "versionStartIncluding": "4.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:22:25.528Z"}}}, "cveMetadata": {"cveId": "CVE-2022-48755", "state": "PUBLISHED", "dateUpdated": "2025-05-04T08:22:25.528Z", "dateReserved": "2024-06-20T11:09:39.059Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-06-20T11:13:35.212Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "60F53B84-60D9-4B4C-ABF2-EBB451BF7D86", "versionEndExcluding": "5.10.96", "versionStartIncluding": "4.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF69DD7C-FD57-4914-ABB0-FAEF87B0289D", "versionEndExcluding": "5.15.19", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1AD9E77E-B27E-450C-8FD8-B64EC5FB002D", "versionEndExcluding": "5.16.5", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 resolvi\u00f3 la siguiente vulnerabilidad: powerpc64/bpf: Limite 'ldbrx' a procesadores compatibles con ISA v2.06 Johan inform\u00f3 el siguiente fallo con test_bpf en ppc64 e5500: test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -&gt; 0x67452301 jited:1 Ups: Excepci\u00f3n en modo kernel, sign: 4 [#1] BE PAGE_SIZE=4K SMP NR_CPUS=24 M\u00f3dulos 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 --- interrupci\u00f3n : c00 en 0x101d0acc &lt;...&gt; --- [ end trace 47b2bf19090bb3d0 ]--- Instrucci\u00f3n ilegal La instrucci\u00f3n ilegal result\u00f3 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 m\u00e1s antiguos."}], "id": "CVE-2022-48755", "lastModified": "2025-01-06T21:44:42.290", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-06-20T12:15:13.653", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "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": "af854a3a-2127-422b-91ae-364da2661108", "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"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: powerpc64/bpf: Limit &#39;ldbrx&#39; to processors compliant with ISA v2.06", "id": "2293303", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293303"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-1281", "details": ["In the Linux kernel, the following vulnerability has been resolved:\npowerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06\nJohan reported the below crash with test_bpf on ppc64 e5500:\ntest_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -> 0x67452301 jited:1\nOops: Exception in kernel mode, sig: 4 [#1]\nBE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500\nModules linked in: test_bpf(+)\nCPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0-03771-g98c2059e008a-dirty #1\nNIP: 8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18\nREGS: c0000000032d3420 TRAP: 0700 Not tainted (5.14.0-03771-g98c2059e008a-dirty)\nMSR: 0000000080089000 <EE,ME> CR: 88002822 XER: 20000000 IRQMASK: 0\n<...>\nNIP [8000000000061c3c] 0x8000000000061c3c\nLR [80000000006dea64] .__run_one+0x104/0x17c [test_bpf]\nCall 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\nsystem_call_common+0xf0/0x210\n--- interrupt: c00 at 0x101d0acc\n<...>\n---[ end trace 47b2bf19090bb3d0 ]---\nIllegal instruction\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."], "name": "CVE-2022-48755", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48755\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48755\nhttps://lore.kernel.org/linux-cve-announce/2024062006-CVE-2022-48755-8abf@gregkh/T"], "threat_severity": "Low"}

{}