CVE-2023-0160

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system...

DEBIAN-CVE-2023-0160

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system...

bind: named's configured cache size limit can be significantly exceeded

A vulnerability was found in BIND. The effectiveness of the cache-cleaning algorithm used in named can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured max-cache-size limit to exceed significantly...

[SECURITY] Fedora 37 Update: cups-2.4.6-1.fc37

CUPS printing system provides a portable printing layer for UNIX=EF=BF=BD=EF=BF=BD operating systems. It has been developed by Apple Inc. to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley command-line interfaces...

[SECURITY] Fedora 38 Update: cups-2.4.6-1.fc38

CUPS printing system provides a portable printing layer for UNIX=EF=BF=BD=EF=BF=BD operating systems. It has been developed by Apple Inc. to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley command-line interfaces...

Important: kernel

Issue Overview: A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations. CVE-2022-39189 In the Linux...

berkeley.uloop.com Cross Site Scripting vulnerability OBB-3467473

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Cybersecurity hotlines at colleges could go a long way toward filling the skills gap

Welcome to this weeks edition of the Threat Source newsletter. I recently stumbled upon news that the University of Texas at Austin is launching a new cybersecurity clinic run by faculty and students studying security and IT at the university. This clinic offers pro-bono cybersecurity services --...

PT-2023-21641 · Isc +1 · Bind 9 +1

Name of the Vulnerable Software and Affected Versions: BIND 9 versions 9.16.8-S1 through 9.16.41-S1 BIND 9 versions 9.18.11-S1 through 9.18.15-S1 Description: A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198...

ALSA-2023:3002 Moderate: bind security and bug fix update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

New Stealthy Variant of Linux Backdoor BPFDoor Emerges from the Shadows

A previously undocumented and mostly undetected variant of a Linux backdoor called BPFDoor has been spotted in the wild, cybersecurity firm Deep Instinct said in a technical report published this week. "BPFDoor retains its reputation as an extremely stealthy and difficult-to-detect malware with...

kernel: bpf: Fix potential array overflow in bpf_trampoline_get_progs()

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential array overflow in bpftrampolinegetprogs The cnt value in the 'cnt = BPFMAXTRAMPPROGS' check does not include BPFTRAMPMODIFYRETURN bpf programs, so the number of the attached BPFTRAMPMODIFYRETURN bpf programs in...

kernel: bpf, arm64: Fixed a BTI error on returning to patched function

A control-flow integrity flaw was found in the Linux kernel on the arm64 architecture within the extended Berkeley Packet Filter trampoline return path. Returning to a patched function with an instruction sequence that fails the branch-target security check can trigger an exception and panic. A...

kernel: bpf: Fix combination of jit blinding and pointers to bpf subprogs.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix combination of jit blinding and pointers to bpf subprogs. The combination of jit blinding and pointers to bpf subprogs causes: 36.989548 BUG: unable to handle page fault for address: 0000000100000001 36.990342 PF:...

kernel: bpf: prevent leak of lsm program after failed attach

A reference count leak was found in the BPF subsystem. When attaching a BPF LSM program to a cgroup fails validation, the program's reference count is not decremented, causing the BPF program to remain loaded indefinitely...

Moderate: bind security and bug fix update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

berkeleybionics.com Cross Site Scripting vulnerability OBB-3308333

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Huawei EulerOS: Security Advisory for libdb (EulerOS-SA-2023-1734)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS Virtualization 3.0.2.0 : libdb (EulerOS-SA-2023-1734)

According to the versions of the libdb packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - Vulnerability in the Data Store component of Oracle Berkeley DB. Supported versions that are affected are Prior to 6.138, prior to...

PT-2023-3564 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions =5.4 Description: The issue is related to incorrect verifier pruning in BPF in the Linux Kernel, which leads to unsafe code paths being incorrectly marked as safe. This results in arbitrary read/write in kernel memory,...