{"id":"CVE-2020-28588","state":"PUBLISHED","title":"An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5","description":"An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 (commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0) and is still present in v5.10-rc4, so it’s likely that all versions in between are affected. An attacker can read /proc/pid/syscall to trigger this vulnerability, which leads to the kernel leaking memory contents.","publishedAt":"2021-05-10T18:54:40.000Z","updatedAt":"2024-08-04T16:40:59.170Z","severity":{"score":4,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"talos"},"assigner":"talos","products":["n/a Linux Kernel"],"affected":[{"vendor":"n/a","product":"Linux Kernel","versions":[{"version":"Linux Kernel v5.10-rc4,Linux Kernel v5.4.66,Linux Kernel v5.9.8","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2020-1211"],"weaknesses":["CWE-681"],"ingestedAt":"2026-10-29T19:47:13.795Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/28xxx/CVE-2020-28588.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-28588","state":"PUBLISHED","datePublished":"2021-05-10T18:54:40.000Z","dateUpdated":"2024-08-04T16:40:59.170Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2020-11-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 (commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0) and is still present in v5.10-rc4, so it’s likely that all versions in between are affected. An attacker can read /proc/pid/syscall to trigger this vulnerability, which leads to the kernel leaking memory contents."}],"affected":[{"vendor":"n/a","product":"Linux Kernel","versions":[{"version":"Linux Kernel v5.10-rc4,Linux Kernel v5.4.66,Linux Kernel v5.9.8","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1211","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-681","description":"CWE-681: Incorrect Conversion between Numeric Types","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","dateUpdated":"2021-05-10T18:54:40.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2020-28588","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Linux Kernel","version":{"version_data":[{"version_value":"Linux Kernel v5.10-rc4,Linux Kernel v5.4.66,Linux Kernel v5.9.8"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 (commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0) and is still present in v5.10-rc4, so it’s likely that all versions in between are affected. An attacker can read /proc/pid/syscall to trigger this vulnerability, which leads to the kernel leaking memory contents."}]},"impact":{"cvss":{"baseScore":4,"baseSeverity":"Medium","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-681: Incorrect Conversion between Numeric Types"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1211","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1211"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1211","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:40:59.170Z"}}]}}}