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{"id": "ALSA-2022:5819", "vendorId": null, "type": "almalinux", "bulletinFamily": "unix", "title": "Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\nSecurity Fix(es):\n* kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)\n* kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250)\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.\nBug Fix(es):\n* Softirq hrtimers are being placed on the per-CPU softirq clocks on isolcpu\u2019s. (BZ#2090484)\n* enable/disable multiqueues repeatedly while ping local host, guest kernel panic (BZ#2093416)\n* Backport kernel audit enhancements and fixes from v5.13-rc1 to v5.16-rc6 (BZ#2095434)\n* blk_update_request: I/O error, dev nvme0n3, during xfs creation (BZ#2100150)\n* SCSI updates for AlmaLinux 8.7 (BZ#2100254)\n* Kernel bug on mm/slub.c:314 (BZ#2102251)\n* Implement new tc action for check_pkt_len (BZ#2102333)\n* too long timeout value with TIME_WAIT status of conntrack entry (BZ#2104002)\n* Connectx6-DX, mlx5 , backport 087032ee7021 (\"net/mlx5e: TC, Fix ct_clear overwriting ct action metadata\") (BZ#2104012)\n* mlx5: Software steering memory allocation failure, netperf TCP_CRR with ct(). (BZ#2104013)\n* tcp: request_sock leak in Calico OCP (BZ#2104670)", "published": "2022-08-03T00:00:00", "modified": "2022-08-10T17:51:45", "epss": [{"cve": "CVE-2022-1012", "epss": 0.00053, "percentile": 0.19062, "modified": "2023-06-03"}, {"cve": "CVE-2022-32250", "epss": 0.00044, "percentile": 0.08263, "modified": "2023-06-03"}], "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://errata.almalinux.org/8/ALSA-2022-5819.html", "reporter": "AlmaLinux", "references": ["https://access.redhat.com/errata/RHSA-2022:5819", "https://access.redhat.com/security/cve/CVE-2022-1012", "https://access.redhat.com/security/cve/CVE-2022-32250", "https://bugzilla.redhat.com/2064604", "https://bugzilla.redhat.com/2092427", "https://errata.almalinux.org/8/ALSA-2022-5819.html"], "cvelist": ["CVE-2022-1012", "CVE-2022-32250"], "immutableFields": [], "lastseen": "2023-06-03T14:45:31", "viewCount": 9, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:5249", "ALSA-2022:5267", "ALSA-2022:5834"]}, {"type": "altlinux", "idList": ["69D1753D74C2782AF5C4B3E24536D125"]}, {"type": "amazon", "idList": ["ALAS-2022-1604", "ALAS2-2022-1813"]}, {"type": "centos", "idList": ["CESA-2022:5232"]}, {"type": "cve", "idList": ["CVE-2022-1012", "CVE-2022-1966", "CVE-2022-32250", "CVE-2022-34918"]}, {"type": "debian", "idList": ["DEBIAN:DLA-3065-1:C1710", "DEBIAN:DSA-5161-1:2800F", "DEBIAN:DSA-5173-1:5A28E"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2022-1012", "DEBIANCVE:CVE-2022-32250", "DEBIANCVE:CVE-2022-34918"]}, {"type": "githubexploit", "idList": ["34927D1B-4D9F-5B44-A08D-491384ED675E", "9CBE87B2-5ADC-5DA9-972B-132F77839B5F"]}, {"type": "ibm", "idList": ["1841E92577ACD6AADDBB49C1995A398D151CBC9679F1BA2B9C77425F2E40A55C", "2007FD1781CF2022D192260E43DD6A6A9D75EAE1E583F1FF51351C7A5D643FB1", "579B3E4AEEBFE2F354CC5701A955BC373C28300C7CF3CEAAD268410F2BAD7847", "63C8B1DC63A3A0D366B1AA0E3DB24BD123F14B4EB29B74139B4FE1590E5E48A3", "7A34C5EA3878227646136480AF345DCC5DF882B26F65D3380EC0064BCCA45485", 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"RHSA-2022:6103", "RHSA-2022:6271", "RHSA-2022:6370", "RHSA-2022:6507", "RHSA-2022:6551"]}, {"type": "redhatcve", "idList": ["RH:CVE-2022-1012", "RH:CVE-2022-1966", "RH:CVE-2022-32250", "RH:CVE-2022-32296"]}, {"type": "redos", "idList": ["ROS-20220619-01", "ROS-20220919-01"]}, {"type": "rocky", "idList": ["RLSA-2022:5819", "RLSA-2022:5834"]}, {"type": "slackware", "idList": ["SSA-2022-237-02"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2022:2177-1", "OPENSUSE-SU-2022:2422-1", "OPENSUSE-SU-2022:2549-1", "SUSE-SU-2022:2172-1", "SUSE-SU-2022:2422-1", "SUSE-SU-2022:2424-2", "SUSE-SU-2022:2520-1", "SUSE-SU-2022:2549-1", "SUSE-SU-2022:2615-1", "SUSE-SU-2022:2722-1", "SUSE-SU-2022:2741-1", "SUSE-SU-2022:2875-1", "SUSE-SU-2022:2875-2", "SUSE-SU-2022:3293-1", "SUSE-SU-2022:3408-1"]}, {"type": "ubuntu", "idList": ["USN-5471-1", "USN-5594-1", "USN-5599-1", "USN-5602-1", "USN-5616-1", "USN-5622-1", "USN-5623-1", "USN-5630-1", "USN-5639-1", "USN-5647-1", "USN-5654-1", "USN-5660-1", "USN-5669-1", 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'content/fastrack/rhel/power/7/ppc64/optional/debug',\n 'content/fastrack/rhel/power/7/ppc64/optional/os',\n 'content/fastrack/rhel/power/7/ppc64/optional/source/SRPMS',\n 'content/fastrack/rhel/power/7/ppc64/os',\n 'content/fastrack/rhel/power/7/ppc64/source/SRPMS',\n 'content/fastrack/rhel/server/7/x86_64/debug',\n 'content/fastrack/rhel/server/7/x86_64/highavailability/debug',\n 'content/fastrack/rhel/server/7/x86_64/highavailability/os',\n 'content/fastrack/rhel/server/7/x86_64/highavailability/source/SRPMS',\n 'content/fastrack/rhel/server/7/x86_64/optional/debug',\n 'content/fastrack/rhel/server/7/x86_64/optional/os',\n 'content/fastrack/rhel/server/7/x86_64/optional/source/SRPMS',\n 'content/fastrack/rhel/server/7/x86_64/os',\n 'content/fastrack/rhel/server/7/x86_64/resilientstorage/debug',\n 'content/fastrack/rhel/server/7/x86_64/resilientstorage/os',\n 'content/fastrack/rhel/server/7/x86_64/resilientstorage/source/SRPMS',\n 'content/fastrack/rhel/server/7/x86_64/source/SRPMS',\n 'content/fastrack/rhel/workstation/7/x86_64/debug',\n 'content/fastrack/rhel/workstation/7/x86_64/optional/debug',\n 'content/fastrack/rhel/workstation/7/x86_64/optional/os',\n 'content/fastrack/rhel/workstation/7/x86_64/optional/source/SRPMS',\n 'content/fastrack/rhel/workstation/7/x86_64/os',\n 'content/fastrack/rhel/workstation/7/x86_64/source/SRPMS'\n ],\n 'kernels': {\n '3.10.0-1160.36.2.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_36_2-1-8.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.36.2.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_36_2-1-8.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.41.1.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_41_1-1-7.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.41.1.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_41_1-1-7.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.42.2.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_42_2-1-6.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.42.2.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_42_2-1-6.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.45.1.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_45_1-1-5.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.45.1.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_45_1-1-5.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.49.1.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_49_1-1-4.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n 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'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.62.1.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_62_1-1-2.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.66.1.el7.ppc64le': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_66_1-1-1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},\n ]\n },\n '3.10.0-1160.66.1.el7.x86_64': {\n 'pkgs': [\n {'reference':'kpatch-patch-3_10_0-1160_66_1-1-1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}\n ]\n }\n }\n }\n];\n\nvar applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:kernel_live_checks);\nif(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);\n\nvar flag = 0;\nvar kernel_affected = FALSE;\nforeach var kernel_array ( kernel_live_checks ) {\n var repo_relative_urls = NULL;\n if (!empty_or_null(kernel_array['repo_relative_urls'])) repo_relative_urls = kernel_array['repo_relative_urls'];\n var kpatch_details = kernel_array['kernels'][uname_r];\n if (empty_or_null(kpatch_details)) continue;\n kernel_affected = TRUE;\n foreach var pkg ( kpatch_details['pkgs'] ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];\n if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];\n if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];\n if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];\n if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];\n if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];\n if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];\n if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];\n if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];\n if (reference &&\n _release &&\n rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&\n (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&\n rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n}\n# No kpatch details found for the running kernel version\nif (!kernel_affected) audit(AUDIT_INST_VER_NOT_VULN, 'kernel', uname_r);\n\nif (flag)\n{\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = rpm_report_get() + redhat_report_repo_caveat();\n else extra = rpm_report_get() + redhat_report_package_caveat();\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 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It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-028 advisory.\n\n - ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-32250. Reason: This candidate is a duplicate of CVE-2022-32250. Notes: All CVE users should reference CVE-2022-32250 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage. (CVE-2022-1966)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H). (CVE-2022-21499)\n\n - net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free. (CVE-2022-32250)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)\n\n - An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers. (CVE-2022-32981)\n\n - kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)\n\n - A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality. 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