Leak in WASIp1 `fd_renumber` implementation

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3p27-qvp9-27qf For more information see the GitHub-hosted security advisory...

PT-2026-47581

netty unix socket recvFd sets msg control to char controlCMSG SPACEsizeofint line 940 — 24 bytes on 64-bit Linux. A peer-sent SCM RIGHTS cmsg carrying two ints has cmsg len = CMSG LEN8 = 24, which fits exactly with no MSG CTRUNC, so the kernel installs both fds in the receiving process. The...

CVE-2026-39461

libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. An attacker able to cause an...

CVE-2026-46118

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Fix null ptr deref in paprhvpipedevcreatehandle commit 6d3789d347a7 "papr-hvpipe: convert paprhvpipedevcreatehandle to FDPREPARE", changed the create handle to FDPREPARE, but it caused kernel null-ptr-deref...

UBUNTU-CVE-2026-46118

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Fix null ptr deref in paprhvpipedevcreatehandle commit 6d3789d347a7 "papr-hvpipe: convert paprhvpipedevcreatehandle to FDPREPARE", changed the create handle to FDPREPARE, but it caused kernel null-ptr-deref...

CVE-2026-45932

CVE-2026-45932 – Linux kernel (bpf: Fix tcx/netkit detach permissions when prog fd isn’t given) The issue allows BPF_PROG_DETACH on tcx or netkit devices to be executed by any user when no program FD is provided, bypassing permission checks. A fix was added to require CAP_NET_ADMIN or CAP_SYS_ADM...

CVE-2026-43498

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Disallow re-exporting imported GEM objects Prevent re-exporting of imported GEM buffers by adding a custom primehandletofd callback that checks if the object is imported and returns -EOPNOTSUPP if so. Re-exporting...

EUVD-2026-31258

libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. An attacker able to cause an...

CVE-2026-39461

libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. An attacker able to cause an...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the reference leak in nfsd4addrdaccesstowrdeleg. The nfsd4addrdaccesstowrdeleg function overwrites fp-fifdsORDONLY unconditionally with a newly acquired nfsdfile. However, if the client already has a SHAREACCESSREA...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: net/9p: A potential socket leak has been fixed in p9socketopen. Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, both p9fdcreatetcp and p9fdcreateunix will return an error...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fixed stale file descriptors when a usercopy fails. A failed usercopy of the fencerep object will result in a stale entry in the file descriptor table, as putunusedfd will not release that entry. This allows userland ...

CLSA-2026-1778599539 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increment the refcount. syzkaller identified a race condition where IOMMUFDDESTROY increments the refcount: c obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying it to the user. A zero initialization was missed here. Most of the struct is filled using a copyfromuser function; however, the minsz parameter for that copy is 8 bytes...

CVE-2026-31718 ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

CVE-2026-37539

Buffer overflow vulnerability in cannelloni v2.0.0 in CAN frame parsing in parser.cpp in function parseCANFrame, and decoder.cpp in function decodeFrame allowing remote attackers to cause a denial of service crash or possibly execute arbitrary code via crafted CAN FD frames...

PT-2026-36348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd module of the Linux kernel. When a durable file handle persists after a session disconnect TCP close without SMB2 LOGOFF, the session fd check...

CVE-2026-39457 Stack overflow via select() file descriptor set overflow

When exchanging data over a socket, libnv uses select2 to wait for data to arrive. However, it does not verify whether the provided socket descriptor fits in select2's file descriptor set size limit of FDSETSIZE 1024. An attacker who is able to force a libnv application to allocate large file...

FreeBSD 安全漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. FreeBSD has a security vulnerability that stems from the use of select to wait for data, without verifying whether the socket descriptor is within the FDSETSIZE limit. This vulnerability may lead to stack corruption and...