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{"id": "RHSA-2022:5220", "vendorId": null, "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2022:5220) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)\n\n* kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)\n\n* kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)\n\n* kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)\n\n* kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check (CVE-2020-29368)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* slub corruption during LPM of hnv interface (BZ#2081252)\n\n* sleeping function called from invalid context at kernel/locking/spinlock_rt.c:35 (BZ#2082090)\n\n* Backport request of \"genirq: use rcu in kstat_irqs_usr()\" (BZ#2083310)\n\n* kernel memory leak while freeing nested actions (BZ#2086604)\n\n* dm: sync rhel-8.6 with upstream 5.13 through 5.16 fixes and improvements (BZ#2088036)\n\n* NFS processing deadlock in low memory condition (BZ#2094459)", "published": "2022-06-28T07:27:55", "modified": "2022-07-11T16:39:08", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2}, "severity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 4.2}, "href": "https://access.redhat.com/errata/RHSA-2022:5220", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2020-29368", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1966", "CVE-2022-27666", "CVE-2022-32250"], "immutableFields": [], "lastseen": "2022-09-30T20:03:38", "viewCount": 26, "enchantments": {"score": {"value": 0.7, "vector": "NONE"}, "dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2021:4356", "ALSA-2022:5316", "ALSA-2022:5564", "ALSA-2022:5819"]}, {"type": "altlinux", "idList": ["3389D346758499949D2E8B5AA776BFA2", "69D1753D74C2782AF5C4B3E24536D125"]}, {"type": "amazon", "idList": ["ALAS-2022-1581", "ALAS-2022-1591", "ALAS-2022-1604", "ALAS2-2022-1774", "ALAS2-2022-1798", "ALAS2-2022-1813"]}, {"type": "androidsecurity", "idList": ["ANDROID:2022-03-01"]}, {"type": "centos", "idList": ["CESA-2022:5232"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:0538F4CFFE2DC3D3EAD148EB582C7732", "CFOUNDRY:FE970C6702B53B6F613235FEB9F4ACED"]}, {"type": "cve", "idList": ["CVE-2020-29368", "CVE-2022-0886", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1966", "CVE-2022-27666", "CVE-2022-32250", "CVE-2022-34918"]}, {"type": "debian", "idList": ["DEBIAN:DLA-3065-1:C1710", "DEBIAN:DSA-5127-1:B6959", "DEBIAN:DSA-5161-1:2800F", "DEBIAN:DSA-5173-1:5A28E"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2020-29368", "DEBIANCVE:CVE-2022-1012", "DEBIANCVE:CVE-2022-1729", "DEBIANCVE:CVE-2022-1966", "DEBIANCVE:CVE-2022-27666", "DEBIANCVE:CVE-2022-32250", "DEBIANCVE:CVE-2022-34918"]}, {"type": "f5", "idList": ["F5:K53648360"]}, {"type": "fedora", "idList": ["FEDORA:02B0930C67A7", "FEDORA:0724530C2F49", "FEDORA:2BF3D30C5439", "FEDORA:39E6D30C27AC", "FEDORA:6F44230C5613", "FEDORA:8904F30B95E5", "FEDORA:890AC30C5439", "FEDORA:8DEF430C679D", "FEDORA:CFF3C30B73E9", "FEDORA:D8A9730C27AC", "FEDORA:DE93930C58EA"]}, {"type": "githubexploit", "idList": ["1712473E-5B8C-5296-AFBC-FCA3A1908918", "34927D1B-4D9F-5B44-A08D-491384ED675E"]}, {"type": "ibm", "idList": ["185BBC212EB199C45233D6B9DC3039EA09F782A9A618E54D0204B7259290E45D", "63C8B1DC63A3A0D366B1AA0E3DB24BD123F14B4EB29B74139B4FE1590E5E48A3", "B315A585CDBD4D516E60AAEBBA49CDD9274D016108F5F855F13CF2FE3AA0F562"]}, {"type": "mageia", "idList": ["MGASA-2022-0121", "MGASA-2022-0122", "MGASA-2022-0194", "MGASA-2022-0195", "MGASA-2022-0212", "MGASA-2022-0213", "MGASA-2022-0229", "MGASA-2022-0230"]}, {"type": "nessus", 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