CVE-2024-29943

CVE-2024-29943 Pwn2Own SpiderMonkey JIT 버그: 정수 범위 불일치에서 경계 검사 제거Bound Check Elimination를 거쳐 RCE까지. 이 저장소는 CVE-2024-29943에 대한 PoC, Exploit 및 분석 슬라이드를 포함합니다. Demo Demo.mp4 Slides Slides.pdf 재현 정보 Github Git 커밋: afbdf6822c9e9f9b6d44b9ea6904cb10878126b1 운영 체제: Ubuntu 22.04 아키텍처: amd64 명령줄 인수: ./js...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds read in addmissingindices. stbl is an s8 type, but it must contain offsets into slots that can range from 0 to 127. A bound check was added for this error, and the error -EIO is returned if...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixing inode number range checks The patch series “nilfs2: Fixing potential issues related to reserved inodes” addresses these issues. This series fixes a use-after-free issue reported by syzbot, which was caused by th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: A strict bound check was performed before using memcmp in ocfs2xattrfindEntry. The xattr function in ocfs2 might be “non-indexed”, which requires additional space for storage. It’s better to check whether the memory is out...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.0, a client-side heap buffer overflow occurred in the FreeRDP client’s AVC420/AVC444 YUV-to-RGB conversion process. This issue arose due to a lack of validation of the horizontal bounds of the H.264 metablock...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a slab-out-of-bounds Read in dtSearch Currently, when searching for the current page in the sorted entry table of the page, there is an out-of-bound access. A bound check has been added to fix this error. Dave: The...

Astra Linux – Vulnerability in snappy-java

Snappy-Java is a Java port of the snappy, a fast C++ compressor/decompressor developed by Google. It was found that the SnappyInputStream is vulnerable to Denial of Service DoS attacks when decompressing data with a too large chunk size. Due to a lack of a upper bound check on the chunk length, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: validate numifs to prevent out-of-bounds write The driver obtains swattr.numifs from the firmware via dpswgetattributes, but never validates it against DPSWMAXIF 64. This value controls the iteration in...

CVE-2024-29943

CVE-2024-29943 Pwn2Own SpiderMonkey JIT 버그: 정수 범위 불일치에서 경계 검사 제거를 거쳐 RCE까지. Windows에서 CVE-2024-29943 재현 https://github.com/bjrjk/CVE-2024-29943 기반 수정 사항 원본 익스플로잇은 Linux용으로 작성되어서, Windows에서 재현을 시도했습니다: Windows용 pop calc 셸코드를 업데이트하고 heap feng shui 매개변수 일부를 조정했습니다. 아직 Windows의 힙 동작을 완전히 이해하지 못해서, 안정...

Linux Distros Unpatched Vulnerability : CVE-2026-89630

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 cifs: Remove the RFC1002 header from smbhdr changed the quantity this bound ...

Linux Distros Unpatched Vulnerability : CVE-2026-89450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/tegra241-cmdqv: Reject a vSID wider than the SIDMATCH field tegra241vintfinitvsid programs the guest-provided vSID into SIDMATCH, whose VIRTSID field span...

DEBIAN-CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89450

In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Reject a vSID wider than the SIDMATCH field tegra241vintfinitvsid programs the guest-provided vSID into SIDMATCH, whose VIRTSID field spans bits 20:1 with bit 0 as the match-enable flag. The HW therefore...

CVE-2026-89630

CVE-2026-89630 is a critical vulnerability in the Linux kernel's CIFS/SMB client . A regression introduced by commit 83bfbd0bb902 (which removed the RFC1002 header from smb_hdr) caused the data_offset bound check in is_valid_oplock_break() to evaluate to zero, effectively disabling the overflow g...

CVE-2026-89630 smb: client: restore the data_offset bound in is_valid_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-80887 drm/vmwgfx: use check_add_overflow for shader size+offset bound

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-50142

A flaw was found in libheif, a HEIF and AVIF file format decoder and encoder. A remote attacker can provide a specially crafted HEIF sequence that triggers an unbounded heap allocation. This occurs because the HEIF sequence parser's fixed-size mode is missing a bound check, and an integer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: HID: mcp2221: prevented a buffer overflow in mcpsmbuswrite Slight warning: drivers/hid/hid-mcp2221.c:388 mcpsmbuswrite error: memcpy ‘&mcp-txbuf5’ is too small 59 vs 255 drivers/hid/hid-mcp2221.c:388 mcpsmbuswrite error: memcp...

Astra Linux – Vulnerability in ofono

A flaw was discovered in ofono, an open-source telephony software for Linux. A stack overflow bug was triggered within the decodedeliverreport function during SMS decoding. It is assumed that the attack scenario can be executed from a compromised modem, a malicious base station, or simply through...