RHEL 8：内核 (RHSA-2022: 1988)
critical Nessus 插件 ID 161047
语言：
简介
远程 Red Hat 主机缺少一个或多个安全更新。描述
远程 Redhat Enterprise Linux 8 主机上安装的多个程序包受到 RHSA-2022: 1988 公告。- 内核：避免因不规范 USB 描述符而导致的循环实体链 (CVE-2020-0404)
- 内核：drivers/tty/vt/keyboard.c 中 k_ascii() 的整数溢出 (CVE-2020-13974)
- 内核：nouveau 内核模块中存在释放后使用 (CVE-2020-27820)
- 内核：IBM Power9 上未完全验证数据的推测 (CVE-2020-4788)
- 内核：由于释放后使用，filter.c 的 bpf_skb_change_head() 中发生越界读取 (CVE-2021-0941)
- 内核：基于所需数据包回复的 ICMP 片段的新 DNS 缓存中毒攻击 (CVE-2021-20322)
- 内核：arm：SIGPAGE 信息泄露漏洞 (CVE-2021-21781)
- hw：cpu：针对 CVE-2017-5715 的 LFENCE/JMP 缓解措施更新 (CVE-2021-26401)
- 内核：由于不正确的 BPF JIT 分支置换计算导致本地特权升级 (CVE-2021-29154)
- 内核：joydev：传递给 joydev_handle_JSIOCSBTNMAP() 的零大小 (CVE-2021-3612)
- 内核：读取 /proc/sysvipc/shm 不会随着大型共享内存段计数进行缩放 (CVE-2021-3669)
- 内核：drivers/net/usb/hso.c 的 hso_free_net_device() 中存在释放后使用 (CVE-2021-37159)
- 内核：net/qrtr/qrtr.c 的 qrtr_endpoint_post 中存在越界读取 (CVE-2021-3743)
- 内核：crypto：- ccp - 修复了 ccp_run_aes_gcm_cmd() 中的资源泄漏问题 (CVE-2021-3744)
- 内核：蓝牙模块中可能存在释放后使用漏洞 (CVE-2021-3752)
- 内核：Linux 内核中下落不明的 ipc 对象导致破坏 memcg 限制和 DoS 攻击 (CVE-2021-3759)
- 内核：ccp_run_aes_gcm_cmd() 函数中的 DoS (CVE-2021-3764)
- 内核：sctp：无效的区块可用于远程删除现有关联 (CVE-2021-3772)
- 内核：natd 和 netfilter 中缺少端口健全性检查，导致利用 OpenVPN 客户端 (CVE-2021-3773)
- 内核：驻留于 hugetlbfs 的数据可能泄漏或损坏 (CVE-2021-4002)
- 内核：针对 CVE-2018-13405 的安全回归 (CVE-2021-4037)
- 内核：获得对 fget: 的引用后，检查它是否仍然存在 (CVE-2021-4083)
- 内核：KVM：SVM：sev_es_string_io 中的越界读取/写入 (CVE-2021-4093)
- 内核：decode_nfs_fh 函数中的缓冲区改写 (CVE-2021-4157)
- 内核：kernel/bpf/stackmap.c 中 prealloc_elms_and_freelist() 中的 eBPF 乘法整数溢出导致越界写入 (CVE-2021-41864)
- 内核：cgroup：使用开放时间凭据和命名空间进行迁移 perm 检查 (CVE-2021-4197)
- 内核：sk_peer_pid 和 sk_peer_cred 访问中的争用条件 (CVE-2021-4203)
- 内核：firedtv 驱动程序中存在堆缓冲区溢出漏洞 (CVE-2021-42739)
- 内核：ppc：kvm：允许恶意 KVM 访客造成主机崩溃 (CVE-2021-43056)
- 内核：在 drivers/isdn/capi/kcapi.c 的 detach_capi_ctr 中存在一个 array-index-out-bounds (CVE-2021-43389)
- 内核：drivers/net/wireless/marvell/mwifiex/usb.c 中的 mwifiex_usb_recv() 允许攻击者通过特制的 USB 设备造成 DoS (CVE-2021-43976)
- 内核：TEE 子系统中存在释放后使用 (CVE-2021-44733)
- 内核：IPv6 实现中的信息泄漏 (CVE-2021-45485)
- 内核：IPv4 实现中的信息泄漏 (CVE-2021-45486)
- hw：cpu：intel：分支历史记录注入 (BHI) (CVE-2022-0001)
- hw：cpu：intel：帧内模式 BTI (CVE-2022-0002)
- 内核：bond_ipsec_add_sa 中的本地拒绝服务 (CVE-2022-0286)
- 内核：net/sctp/sm_make_chunk.c 中 sctp_addto_chunk 的 DoS (CVE-2022-0322)
- 内核：FUSE 允许 UAF 读取 write() 缓冲区，从而允许窃取（部分）/etc/shadow 哈希 (CVE-2022-1011)
请注意，Nessus 尚未测试这些问题，而是只依靠应用程序自我报告的版本号来判断。
解决方案
更新受影响的程序包。另见
https://access.redhat.com/security/cve/CVE-2020-0404
https://access.redhat.com/security/cve/CVE-2020-4788
https://access.redhat.com/security/cve/CVE-2020-13974
https://access.redhat.com/security/cve/CVE-2020-27820
https://access.redhat.com/security/cve/CVE-2021-0941
https://access.redhat.com/security/cve/CVE-2021-3612
https://access.redhat.com/security/cve/CVE-2021-3669
https://access.redhat.com/security/cve/CVE-2021-3743
https://access.redhat.com/security/cve/CVE-2021-3744
https://access.redhat.com/security/cve/CVE-2021-3752
https://access.redhat.com/security/cve/CVE-2021-3759
https://access.redhat.com/security/cve/CVE-2021-3764
https://access.redhat.com/security/cve/CVE-2021-3772
https://access.redhat.com/security/cve/CVE-2021-3773
https://access.redhat.com/security/cve/CVE-2021-4002
https://access.redhat.com/security/cve/CVE-2021-4037
https://access.redhat.com/security/cve/CVE-2021-4083
https://access.redhat.com/security/cve/CVE-2021-4093
https://access.redhat.com/security/cve/CVE-2021-4157
https://access.redhat.com/security/cve/CVE-2021-4197
https://access.redhat.com/security/cve/CVE-2021-4203
https://access.redhat.com/security/cve/CVE-2021-20322
https://access.redhat.com/security/cve/CVE-2021-21781
https://access.redhat.com/security/cve/CVE-2021-26401
https://access.redhat.com/security/cve/CVE-2021-29154
https://access.redhat.com/security/cve/CVE-2021-37159
https://access.redhat.com/security/cve/CVE-2021-41864
https://access.redhat.com/security/cve/CVE-2021-42739
https://access.redhat.com/security/cve/CVE-2021-43056
https://access.redhat.com/security/cve/CVE-2021-43389
https://access.redhat.com/security/cve/CVE-2021-43976
https://access.redhat.com/security/cve/CVE-2021-44733
https://access.redhat.com/security/cve/CVE-2021-45485
https://access.redhat.com/security/cve/CVE-2021-45486
https://access.redhat.com/security/cve/CVE-2022-0001
https://access.redhat.com/security/cve/CVE-2022-0002
https://access.redhat.com/security/cve/CVE-2022-0286
https://access.redhat.com/security/cve/CVE-2022-0322
https://access.redhat.com/security/cve/CVE-2022-1011
https://access.redhat.com/errata/RHSA-2022:1988
https://bugzilla.redhat.com/1888433
https://bugzilla.redhat.com/1901726
https://bugzilla.redhat.com/1919791
https://bugzilla.redhat.com/1946684
https://bugzilla.redhat.com/1951739
https://bugzilla.redhat.com/1974079
https://bugzilla.redhat.com/1981950
https://bugzilla.redhat.com/1985353
https://bugzilla.redhat.com/1986473
https://bugzilla.redhat.com/1997467
https://bugzilla.redhat.com/1997961
https://bugzilla.redhat.com/1999544
https://bugzilla.redhat.com/1999675
https://bugzilla.redhat.com/2000627
https://bugzilla.redhat.com/2000694
https://bugzilla.redhat.com/2004949
https://bugzilla.redhat.com/2010463
https://bugzilla.redhat.com/2013180
https://bugzilla.redhat.com/2014230
https://bugzilla.redhat.com/2016169
https://bugzilla.redhat.com/2017073
https://bugzilla.redhat.com/2018205
https://bugzilla.redhat.com/2025003
https://bugzilla.redhat.com/2025726
https://bugzilla.redhat.com/2027239
https://bugzilla.redhat.com/2028584
https://bugzilla.redhat.com/2029923
https://bugzilla.redhat.com/2030747
https://bugzilla.redhat.com/2034342
https://bugzilla.redhat.com/2035652
https://bugzilla.redhat.com/2036934
https://bugzilla.redhat.com/2037019
https://bugzilla.redhat.com/2039911
https://bugzilla.redhat.com/2039914
https://bugzilla.redhat.com/2042822
https://bugzilla.redhat.com/2061700
https://bugzilla.redhat.com/2061712
插件详情
严重性: Critical
ID: 161047
文件名: redhat-RHSA-2022-1988.nasl
版本: 1.8
类型: local
代理: unix
发布时间: 2022/5/11
最近更新时间: 2023/5/25
支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
风险信息
VPR
风险因素: Medium
分数: 6.7
CVSS v2
风险因素: High
基本分数: 7.9
时间分数: 6.2
矢量: CVSS2#AV:A/AC:M/Au:N/C:C/I:C/A:C
CVSS 分数来源: CVE-2021-3752
CVSS v3
风险因素: Critical
基本分数: 9.8
时间分数: 8.8
矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:P/RL:O/RC:C
CVSS 分数来源: CVE-2021-3773
漏洞信息
CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.6, 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
必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
可利用: true
易利用性: Exploits are available
补丁发布日期: 2022/5/10
漏洞发布日期: 2020/6/9
参考资料信息
CVE: CVE-2020-0404, CVE-2020-13974, CVE-2020-27820, CVE-2020-4788, CVE-2021-0941, CVE-2021-20322, CVE-2021-21781, CVE-2021-26401, CVE-2021-29154, CVE-2021-3612, CVE-2021-3669, CVE-2021-37159, CVE-2021-3743, CVE-2021-3744, CVE-2021-3752, CVE-2021-3759, CVE-2021-3764, CVE-2021-3772, CVE-2021-3773, CVE-2021-4002, CVE-2021-4037, CVE-2021-4083, CVE-2021-4157, CVE-2021-41864, CVE-2021-4197, CVE-2021-4203, CVE-2021-42739, CVE-2021-43056, CVE-2021-43389, CVE-2021-43976, CVE-2021-44733, CVE-2021-45485, CVE-2021-45486, CVE-2022-0001, CVE-2022-0002, CVE-2022-0286, CVE-2022-0322, CVE-2022-1011