Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the nfsdgetdirdeleg function in nfsd not releasing the nfs4file reference, potentially leading to...

PT-2026-37568

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the hfs component where the use of BUG ON to detect overflows in next id, folder count, and file count within the super block info can be triggered if the MDB Master...

EUVD-2026-26247

pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS...

kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount In iscsitdecsessionusagecount, the function calls complete while holding the sess-sessionusagelock. Similar to the connection usage count logic, the waiter...

kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount In iscsitdecsessionusagecount, the function calls complete while holding the sess-sessionusagelock. Similar to the connection usage count logic, the waiter...

SUSE CVE-2026-42440

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field fro...

chromium -- security fixes

Chrome Releases reports: This update includes 127 security fixes: Critical: 493747582 CVE-2026-7896: Integer overflow in Blink. 504069514 CVE-2026-7897: Use after free in Mobile. 504587882 CVE-2026-7898: Use after free in Chromoting. High: 505481948 CVE-2026-7899: Out of bounds read and write in...

GHSA-Q3JJ-46PQ-826R OpenClaw's ACP child sessions inherit subagent security envelope constraints

Summary ACP child sessions inherit subagent security envelope constraints. Affected Packages / Versions - Package: openclaw npm - Affected versions: = 2026.4.21 - Fixed version: 2026.4.22 Impact A restricted subagent spawning an ACP child session could fail to carry forward subagent-only...

CVE-2026-42146 CImg Library: Uncontrolled memory allocation via nb_colors field in _load_bmp

CImg Library is a C++ library for image processing. Prior to commit c3aacf5, the nbcolors field read from the BMP file header is used directly to compute an allocation size without validating it against the remaining file size. A crafted BMP file with a large nbcolors value triggers an...

CVE-2026-42146 CImg Library: Uncontrolled memory allocation via nb_colors field in _load_bmp

CImg Library is a C++ library for image processing. Prior to commit c3aacf5, the nbcolors field read from the BMP file header is used directly to compute an allocation size without validating it against the remaining file size. A crafted BMP file with a large nbcolors value triggers an...

SUSE CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31709

A flaw was found in the Linux kernel's Server Message Block SMB client, specifically within the cifsacl functionality. A malicious SMB server could provide a malformed Discretionary Access Control List DACL that claims to contain more Access Control Entries ACEs than are actually present. This...

CVE-2026-43042

In the Linux kernel, the following vulnerability has been resolved: mpls: add seqcount to protect the platformlabel,s pair The RCU-protected codepaths mplsforward, mplsdumproutes can have an inconsistent view of platformlabels vs platformlabel in case of a concurrent resize...

CVE-2026-31741 counter: rz-mtu3-cnt: prevent counter from being toggled multiple times

In the Linux kernel, the following vulnerability has been resolved: counter: rz-mtu3-cnt: prevent counter from being toggled multiple times Runtime PM counter is incremented / decremented each time the sysfs enable file is written to. If user writes 0 to the sysfs enable file multiple times,...

CVE-2026-31741

CVE-2026-31741 affects the Linux kernel rz-mtu3-cnt counter module. Repeated writes to the sysfs enable file can underflow/overflow the Runtime PM usage count, causing clocked-off hardware register accesses and potential instability/DoS. The issue is resolved in upstream kernel (v6.6.137) and dis...

CVE-2026-31732 gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()

In the Linux kernel, the following vulnerability has been resolved: gpio: Fix resource leaks on errors in gpiochipadddatawithkey Since commit aab5c6f20023 "gpio: set device type for GPIO chips", gdev-dev.release is unset. As a result, the reference count to gdev-dev isn't dropped on the error...

CVE-2026-31715 f2fs: fix UAF caused by decrementing sbi->nr_pages[] in f2fs_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF caused by decrementing sbi-nrpages in f2fswriteendio The xfstests case "generic/107" and syzbot have both reported a NULL pointer dereference. The concurrent scenario that triggers the panic is as follows:...

CVE-2026-31706 ksmbd: validate num_aces and harden ACE walk in smb_inherit_dacl()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

EUVD-2026-26515

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

CVE-2026-31702 f2fs: fix use-after-free of sbi in f2fs_compress_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...