{ "CVE_data_meta": { "ASSIGNER": "security@google.com", "ID": "CVE-2021-22600", "STATE": "PUBLIC", "TITLE": "Double Free in net/packet/af_packet.c leading to priviledge escalation" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Kernel", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.4.168" }, { "version_affected": "<", "version_value": "5.10.88" }, { "version_affected": "<", "version_value": "5.15.11" }, { "version_affected": "<", "version_value": "5.16-rc6" } ] } } ] }, "vendor_name": "Linux Kernel" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755" } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-415 Double Free" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "refsource": "DEBIAN", "name": "DSA-5096", "url": "https://www.debian.org/security/2022/dsa-5096" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20230110-0002/", "url": "https://security.netapp.com/advisory/ntap-20230110-0002/" } ] }, "source": { "discovery": "EXTERNAL" } }