QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service

A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QE...

Ubuntu 16.04 ESM / 18.04 ESM : Mosquitto vulnerability (USN-4823-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-4823-1 advisory. It was discovered that Mosquitto incorrectly handled certain inputs. A remote attacker could possibly use this issue to cause a denial of service...

CLSA-2023-1697744503 Fix of 7 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-42755 - net/sched: Retire rsvp classifier CVE-url: https://ubuntu.com/security/CVE-2023-39194 - net: xfrm: Fix xfrmaddressfilter OOB read CVE-url: https://ubuntu.com/security/CVE-2023-39192 - netfilter: xtu32: validate user space input CVE-url:...

CLSA-2023-1697744372 Fix of 7 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-42755 - net/sched: Retire rsvp classifier CVE-url: https://ubuntu.com/security/CVE-2023-39194 - net: xfrm: Fix xfrmaddressfilter OOB read CVE-url: https://ubuntu.com/security/CVE-2023-39192 - netfilter: xtu32: validate user space input CVE-url:...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RLSA-2023:4529 Moderate: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: NULL dereference in xmlSchemaFixupComplexType CVE-2023-28484 libxml2: Hashing of empty dict strings isn't deterministic CVE-2023-29469 For more details about the security...

USN-6417-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel contained a race condition around read-only maps. A privileged attacker could use this to modify read-only maps. CVE-2021-4001 It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash...

Important: kernel

Issue Overview: A use-after-free flaw was found in btrfssearchslot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea CVE-2023-1611 A flaw in the Linux Kernel found in the GFS2 file system. On corrupted gfs...

[slackware-security] libarchive

New libarchive packages are available for Slackware 14.1, 14.2, 15.0, and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libarchive-3.7.2-i586-1slack15.0.txz: Upgraded. This update fixes multiple security vulnerabilities in the PAX writer...

OSV-2023-840 Null-dereference READ in isvcd_parse_inter_slice_data_cavlc_enh_lyr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62290 Crash type: Null-dereference READ Crash state: isvcdparseinterslicedatacavlcenhlyr isvcdparseepslice isvcdparsedecodesliceextnal...

PT-2023-36008 · Git +1 · Libavc

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: The issue is related to a null-dereference read crash. Technical details about the crash include the functions isvcd parse inter slice data cavlc enh lyr...

USN-6338-2 linux-gcp, linux-gcp-6.2, linux-ibm, linux-oracle, linux-starfive vulnerabilities

Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-21255 It was discovered that a race condition existed in th...

Important: kernel

Issue Overview: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. CVE-2023-20588 The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the...

Important: kernel

Issue Overview: Information exposure through microarchitectural state after transient execution in certain vector execution units for some IntelR Processors may allow an authenticated user to potentially enable information disclosure via local access. CVE-2022-40982 A division-by-zero error on so...

CVE-2023-41909

An issue was discovered in FRRouting FRR through 9.0. bgpnlriparseflowspec in bgpd/bgpflowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference...

OESA-2023-1581 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. Security Fixes: An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains ...

AZL-28065 CVE-2023-38711 affecting package libreswan for versions less than 4.7-5

An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with IDIPV4ADDR or IDIPV6ADDR receives an IDcr payload with IDFQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6...

OESA-2023-1511 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A flaw was found in the Linux kernel’s IP framework for transforming packets XFRM subsystem. This issue may allow a malicious user with CAPNETADMIN privileges to directly dereference a NULL pointer in xfrmupdateaeparams, leading ...

PT-2025-54033

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The mmc add host function may return an error, and failing to check this return value can lead to a memory leak in mmc alloc host and a null pointer dereference when calling mmc remove...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...