CVE-2021-4034

CVE-2021-4034 CVE-2021-4034 centos8 호환 버전 기반으로 수정됨 https://github.com/berdav/CVE-2021-4034/tree/main/dry-run 사용 방법 pwnkit-dry-run.c에서 system 함수를 수정하여 사용자 정의 실행 명령을 실행합니다 기본값은 r00t 사용자 추가, 비밀번호는 XHSZWCPU6Nvobe make로 컴파일 대상 머신에 업로드하여 실행...

Zapscape-Fix

Zapscape-Fix — CVE-2026-64561 KVM 内核热补丁 English | 简体中文 给 CentOS Stream 8 / RHEL 8 （4.18.0 全系列内核）的 KVM 宿主机修复 CVE-2026-64561（Zapscape） 漏洞的内核热补丁 ： 不打补丁的风险 ：租户虚拟机（guest）可以仅凭自身操作逃逸到宿主机，以宿主 内核 root 权限执行代码——击穿整台物理机及其上所有虚拟机。 本项目的补丁 ：基于 Linux 上游官方修复（2abd5287f083）backport 而来， 通过内核 livepatch 机制在线生效 ： ✅ 不重启宿...

encrypted-linux-kernel-modules

ELKM: 암호화된 Linux x86-64 로더블 커널 모듈 ELKM은 암호화된 로더블 커널 모듈LKM을 안전하게 전송하고 로드할 수 있는 메커니즘을 제공합니다. 목표는 엔드포인트 탐지 및 대응EDR 소프트웨어의 관찰로부터 커널 기반 루트킷과 임플란트를 보호하고, 디스크 포렌식 도구에 의한 복구 효과를 무력화하는 것입니다. RHEL/CentOS 7 ELKM은 RHEL/CentOS 7 x86-64용으로 특별히 작성되었습니다. kernel-tools-libs-3.10.0-1127.18.2.el7.x8664...

CVE-2021-3156-centos7

CVE-2021-3156-centos7 sudo 권한 상승을 이용하며, cnetos7만 대상으로 합니다. 영향을 받는 버전: sudo: 1.8.2 - 1.8.31p2 sudo: 1.9.0 - 1.9.5p1 root가 아닌 사용자로 시스템에 로그인한 후 다음 명령을 실행합니다: sudoedit -s / 출력이 'not a regular file'이면 대부분 해당 취약점이 존재합니다. 사용 방법: 먼저 root가 아닌 사용자로 로그인한 후, /etc/passwd의 모든 내용을 CVE-2021-3156.py의 APPENDCONTEN...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1785561693)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1785561693 advisory. - A flaw was found in the Linux kernel that allows the userspace to call memcpyfromiovecend and similar functions with a zero offset and...

CentOS Linux 8 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc (CENTOS-STREAM8:CLSA-2026:1777940008)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1777940008 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails wit...

CentOS Linux 7.9 [CIQ] Security Update: libevent / libevent-debuginfo / libevent-devel / libevent-doc Multiple Vulnerabilities (ciqsa-2026_0695)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260695 advisory. This advisory aggregates security fixes for the libevent SRPM in CIQ CentOS Bridge 7.9. It addresses 2 CVEs: CVE-2016-10196, CVE-2016-10197. Tenable has...

CentOS Linux 8 [TuxCare] Security Update: platform-python / platform-python-debug / platform-python-devel / etc (CENTOS-STREAM8:CLSA-2026:1776958842)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1776958842 advisory. - The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attacke...

CentOS Linux 7.9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-whitelists / etc Multiple Vulnerabilities (ciqsa-2026_0653)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260653 advisory. This advisory aggregates security fixes for the kernel SRPM in CIQ CentOS Bridge 7.9. It addresses 12 CVEs: CVE-2022-3640, CVE-2022-50386, CVE-2023-5336...

CentOS Linux 7.9 [CIQ] Security Update: java-1.7.0-openjdk / java-1.7.0-openjdk-accessibility / etc (ciqsa-2026_0682)

The CentOS Linux 7.9 host has packages installed that are affected by a vulnerability as referenced in the CIQ ciqsa-20260682 advisory. This advisory aggregates security fixes for the java-1.7.0-openjdk SRPM in CIQ CentOS Bridge 7.9. It addresses 1 CVE: CVE-2022-21476. Tenable has extracted the...

CentOS Linux 7 [TuxCare] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xephyr / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1790585169)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1790585169 advisory. - An out-of-bounds read flaw was found in the X.Org X server and Xwayland in glXDispChangeDrawableAttributes. A wrong size validation...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (CENTOS7:CLSA-2023:1696877712)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2023:1696877712 advisory. - Expat aka libexpat before 2.4.4 has an integer overflow in the doProlog function. CVE-2022-23990 - In libexpat through 2.4.9, there is...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1788170774)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1788170774 advisory. - A race condition in Linux kernel SCTP sockets net/sctp/socket.c before 5.12-rc8 can lead to kernel privilege escalation from the conte...

CentOS Linux 7 [TuxCare] Security Update: libgcrypt / libgcrypt-devel Multiple Vulnerabilities (CENTOS7:CLSA-2023:1698945053)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2023:1698945053 advisory. - GnuPG 1.x before 1.4.16 generates RSA keys using sequences of introductions with certain patterns that introduce a side channel, which...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2025:1766617167)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2025:1766617167 advisory. - In l2capchanput of l2capcore, there is a possible use after free due to improper locking. This could lead to local escalation of...

CentOS Linux 7 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal Multiple Vulnerabilities (CENTOS7:CLSA-2026:1777444367)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1777444367 advisory. - vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3903 - vim is vulnerable to Use After Free CVE-2021-4069 - Access of Memory...

CentOS Linux 7 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal Multiple Vulnerabilities (CENTOS7:CLSA-2026:1777544441)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1777544441 advisory. - vim is vulnerable to Use After Free CVE-2021-3796 - vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3973 - Use After Free in...

CentOS Linux 7 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-python / libxml2-static Multiple Vulnerabilities (CENTOS7:CLSA-2026:1781619427)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1781619427 advisory. - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content,...

CentOS Linux 7.9 [CIQ] Security Update: libjpeg-turbo / libjpeg-turbo-debuginfo / libjpeg-turbo-devel / etc (ciqsa-2026_0698)

The CentOS Linux 7.9 host has packages installed that are affected by a vulnerability as referenced in the CIQ ciqsa-20260698 advisory. This advisory aggregates security fixes for the libjpeg-turbo SRPM in CIQ CentOS Bridge 7.9. It addresses 1 CVE: CVE-2020-17541. Tenable has extracted the...

CentOS Linux 7.9 [CIQ] Security Update: tcpdump / tcpdump-debuginfo Multiple Vulnerabilities (ciqsa-2026_0742)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260742 advisory. This advisory aggregates security fixes for the tcpdump SRPM in CIQ CentOS Bridge 7.9. It addresses 29 CVEs: CVE-2017-16808, CVE-2018-10103,...