thm-cybersec-portfolio

TryHackMe 노트 — 사이버 보안 포트폴리오 완료한 TryHackMe 룸에 대한 개인 노트 및 요약. IT 보안 역할을 위한 학습 참고 자료 및 포트폴리오로 작성되었습니다. 완료된 룸 | 룸| 주제 ---|---|--- 01| Linux Privilege Escalation| Linux 권한 상승 기술 02| Sudo Buffer Overflow| CVE-2019-18634 03| OWASP Top 10 2025: IAAA Failures| 손상된 접근 제어, 인증 실패, 로깅 04| OWASP Top 10 2025:...

CVE-2026-41096

CVE-2026-41096 - Crash PoC Heap overflow in DnsRawTruncateMessageForUdp dnsapi.dll. A crafted DNS response with QDCOUNT=0 and a large OPT record causes a 604-byte heap overflow when the truncation logic miscalculates the destination pointer. MSRC advisory:...

Security Bulletin: Vulnerabilities exists in IBM Cloud Pak for Data System (Yosemite 1.0)

Summary Vulnerabilities identified in IBM Cloud Pak for Data System Yosemite 1.0 - NRS have been addressed in version 3.0.5.4 Vulnerability Details CVEID:CVE-2026-62574 DESCRIPTION: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Ja...

AZL-106473 CVE-2026-98365 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix integer overflow in mrcheckrange leading to OOB access mrcheckrange validates that iova, iova+length falls within the registered MR range using wraparound-prone arithmetic: if iova ibmr.iova || iova + length...

DEBIAN-CVE-2026-98365

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix integer overflow in mrcheckrange leading to OOB access mrcheckrange validates that iova, iova+length falls within the registered MR range using wraparound-prone arithmetic: if iova ibmr.iova || iova + length...

CVE-2026-98365

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix integer overflow in mrcheckrange leading to OOB access mrcheckrange validates that iova, iova+length falls within the registered MR range using wraparound-prone arithmetic: if iova ibmr.iova || iova + length...

AZL-106302 CVE-2026-98349 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject too-short beacon and probe responses libipwprocessproberesponse and the libipwnetworkinit call it makes assume the frame contains the full 36-byte beacon and probe response prefix, but the ipw2100 and ipw2200...

AZL-106086 CVE-2026-98348 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject too-short association responses libipwhandleassocresp reads the capability, status and aid fields of the 30-byte association response prefix and then computes the information element length as stats-len -...

CVE-2026-98348

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject too-short association responses libipwhandleassocresp reads the capability, status and aid fields of the 30-byte association response prefix and then computes the information element length as stats-len -...

DEBIAN-CVE-2026-98318

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate absolute native symlink targets before NT fixups With symlinkroot unset, an absolute target is copied without conversion to an NT drive path. Later code still assumes an NT prefix is present when modifying t...

CVE-2026-98318

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate absolute native symlink targets before NT fixups With symlinkroot unset, an absolute target is copied without conversion to an NT drive path. Later code still assumes an NT prefix is present when modifying t...

DEBIAN-CVE-2026-98296

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: validate TX skb length in sendsync btintelpciepreparetx copies skb-len bytes into a fixed BTINTELPCIEBUFFERSIZE 4096 DMA slot via an unchecked memcpy. Oversized packets are currently rejected only in...

CVE-2026-98296

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: validate TX skb length in sendsync btintelpciepreparetx copies skb-len bytes into a fixed BTINTELPCIEBUFFERSIZE 4096 DMA slot via an unchecked memcpy. Oversized packets are currently rejected only in...

DEBIAN-CVE-2026-98282

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

AZL-106383 CVE-2026-98282 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

CVE-2026-98287

In the Linux kernel, the following vulnerability has been resolved: pppoatm: ensure a writable skb header and linear data In pppoatmsend, LLC encapsulation checks whether there is sufficient headroom for the 4-byte LLC header, but does not ensure that the skb header is writable. Normal transmit...

CVE-2026-98282

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

DEBIAN-CVE-2026-98272

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...

AZL-106479 CVE-2026-98272 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...

CVE-2026-98272

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...