RHEL 8：核心 (RHSA-2022: 7683)
high Nessus Plugin ID 167155
語系：
概要
遠端 Red Hat 主機缺少一個或多個安全性更新。說明
遠端 Redhat Enterprise Linux 8 主機上安裝的套件受到 RHSA-2022: 7683 公告中提及的多個弱點影響。- 核心：路徑外攻擊者可能會插入資料或終止受害者的 TCP 工作階段 (CVE-2020-36516)
- 核心：當 vc_cons[i].d 已經是 NULL 時，VT_RESIZEX ioctl 中的爭用條件可導致 NULL 指標解除參照 (CVE-2020-36558)
- 核心：drivers/media/v4l2-core/v4l2-ioctl.c 中 video_usercopy 函式的大型引數可觸發記憶體洩漏弱點 (CVE-2021-30002)
- 核心：sco_sock_sendmsg() 函式中的釋放後使用弱點 (CVE-2021-3640)
- 核心：smb2_ioctl_query_info 的 NULL 指標解除參照弱點 (CVE-2022-0168)
- 核心：回寫期間，udf_expand_file_adinicbdue() 中發生 NULL 指標解除參照 (CVE-2022-0617)
- 核心：DMA_FROM_DEVICE 的 swiotlb 資訊洩漏弱點 (CVE-2022-0854)
- 核心：nft_do_chain 中堆疊上未初始化的暫存器可造成 UM 核心指標洩漏 (CVE-2022-1016)
- 核心：snd_pcm_hw_free 中的爭用條件可導致釋放後使用 (CVE-2022-1048)
- 核心：net/sched/cls_api.c 的 tc_new_tfilter() 中的釋放後使用弱點 (CVE-2022-1055)
- 核心：KVM：cmpxchg_gpte 可寫入使用者空間區域之外的 pfns (
解決方案
更新受影響的套件。另請參閱
https://access.redhat.com/security/cve/CVE-2020-36516
https://access.redhat.com/security/cve/CVE-2020-36558
https://access.redhat.com/security/cve/CVE-2021-3640
https://access.redhat.com/security/cve/CVE-2021-30002
https://access.redhat.com/security/cve/CVE-2022-0168
https://access.redhat.com/security/cve/CVE-2022-0617
https://access.redhat.com/security/cve/CVE-2022-0854
https://access.redhat.com/security/cve/CVE-2022-1016
https://access.redhat.com/security/cve/CVE-2022-1048
https://access.redhat.com/security/cve/CVE-2022-1055
https://access.redhat.com/security/cve/CVE-2022-1158
https://access.redhat.com/security/cve/CVE-2022-1184
https://access.redhat.com/security/cve/CVE-2022-1852
https://access.redhat.com/security/cve/CVE-2022-2078
https://access.redhat.com/security/cve/CVE-2022-2586
https://access.redhat.com/security/cve/CVE-2022-2639
https://access.redhat.com/security/cve/CVE-2022-2938
https://access.redhat.com/security/cve/CVE-2022-20368
https://access.redhat.com/security/cve/CVE-2022-21499
https://access.redhat.com/security/cve/CVE-2022-23960
https://access.redhat.com/security/cve/CVE-2022-24448
https://access.redhat.com/security/cve/CVE-2022-26373
https://access.redhat.com/security/cve/CVE-2022-27950
https://access.redhat.com/security/cve/CVE-2022-28390
https://access.redhat.com/security/cve/CVE-2022-28893
https://access.redhat.com/security/cve/CVE-2022-29581
https://access.redhat.com/security/cve/CVE-2022-36946
https://access.redhat.com/errata/RHSA-2022:7683
https://bugzilla.redhat.com/1946279
https://bugzilla.redhat.com/1980646
https://bugzilla.redhat.com/2037386
https://bugzilla.redhat.com/2051444
https://bugzilla.redhat.com/2053632
https://bugzilla.redhat.com/2058395
https://bugzilla.redhat.com/2059928
https://bugzilla.redhat.com/2062284
https://bugzilla.redhat.com/2066614
https://bugzilla.redhat.com/2066706
https://bugzilla.redhat.com/2069408
https://bugzilla.redhat.com/2069793
https://bugzilla.redhat.com/2070205
https://bugzilla.redhat.com/2070220
https://bugzilla.redhat.com/2073064
https://bugzilla.redhat.com/2074208
https://bugzilla.redhat.com/2084183
https://bugzilla.redhat.com/2084479
https://bugzilla.redhat.com/2088021
https://bugzilla.redhat.com/2089815
https://bugzilla.redhat.com/2096178
https://bugzilla.redhat.com/2112693
https://bugzilla.redhat.com/2114878
https://bugzilla.redhat.com/2115065
https://bugzilla.redhat.com/2115278
Plugin 詳細資訊
嚴重性: High
ID: 167155
檔案名稱: redhat-RHSA-2022-7683.nasl
版本: 1.5
類型: local
代理程式: unix
已發布: 2022/11/9
已更新: 2023/5/25
支援的感應器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment
風險資訊
VPR
風險因素: Critical
分數: 9.0
CVSS v2
風險因素: High
基本分數: 7.2
時間分數: 6.3
媒介: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 評分資料來源: CVE-2022-29581
CVSS v3
風險因素: High
基本分數: 7.8
時間分數: 7.5
媒介: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
時間媒介: CVSS:3.0/E:H/RL:O/RC:C
弱點資訊
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-stablelists, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf
必要的 KB 項目: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
可被惡意程式利用: true
可輕鬆利用: Exploits are available
修補程式發佈日期: 2022/11/8
弱點發布日期: 2021/4/2
參考資訊
CVE: CVE-2020-36516, CVE-2020-36558, CVE-2021-30002, CVE-2021-3640, CVE-2022-0168, CVE-2022-0617, CVE-2022-0854, CVE-2022-1016, CVE-2022-1048, CVE-2022-1055, CVE-2022-1184, CVE-2022-1852, CVE-2022-20368, CVE-2022-2078, CVE-2022-21499, CVE-2022-23960, CVE-2022-24448, CVE-2022-2586, CVE-2022-26373, CVE-2022-2639, CVE-2022-27950, CVE-2022-28390, CVE-2022-28893, CVE-2022-2938, CVE-2022-29581, CVE-2022-36946