USN-6224-1: Linux kernel vulnerabilities

It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service system crash. CVE-2023-212...

USN-6223-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6222-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-3108...

USN-6221-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the overlay file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2021-20321 It was discovered that the virtual terminal vt device implementation in the Linux kernel contain...

USN-6219-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.10 and Ubuntu 20.04 LTS. CVE-2023-28755 It was discovered that Ruby incorrectly handled certain regular...

USN-6220-1: Linux kernel vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 It was discovered that for some...

USN-6218-1: Firefox vulnerability

A use-after-free was discovered in Firefox when handling workers. An attacker could potentially exploit this to cause a denial of service, or execute arbitrary code...

USN-6217-1: .NET vulnerability

McKee-Harris, Matt Cotterell, and Jack Moran discovered that .NET did not properly update account lockout maximum failed attempts. An attacker could possibly use this issue to bypass the security feature and attempt to guess more passwords for an account...

USN-6216-1: lib3mf vulnerability

It was discovered that lib3mf did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted 3MF file, a local attacker could possibly use this issue to cause applications using lib3mf to crash, resulting in a denial of service, or possibly...

USN-6215-1: dwarves vulnerabilities

It was discovered that dwarves incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause dwarves to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2022-3534, CVE-2022-3606...

USN-6214-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-6213-1: Ghostscript vulnerability

It was discovered that Ghostscript incorrectly handled pipe devices. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to execute arbitrary code...

USN-6212-1: Linux kernel (Intel IoTG) vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 It was discovered that for some...

USN-6211-1: Linux kernel (Azure) regression

USN-6130-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a spurious warning in the IPv6 subsystem. This update removes the undesired warning message...

USN-6210-1: Doorkeeper vulnerability

It was discovered that Doorkeeper incorrectly performed authorization checks for public clients that have been previous approved. An attacker could potentially exploit these in order to impersonate another user and obtain sensitive information...

USN-6208-1: Gorilla WebSocket vulnerability

It was discovered that Gorilla WebSocket incorrectly handled decoding WebSocket frames. An attacker could possibly use this issue to cause a crash, resulting in a denial of service...

USN-6207-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6206-1: Linux kernel (OEM) vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 It was discovered that the NTFS...

USN-6205-1: Linux kernel (GKE) vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 It was discovered that for some...

USN-6204-1: CPDB vulnerability

Seth Arnold discovered that CPDB incorrectly handled certain characters. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-6203-1: Django vulnerability

Seokchan Yoon discovered that Django incorrectly handled certain regular expressions. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service...

USN-6202-1: containerd vulnerabilities

David Korczynski and Adam Korczynski discovered that containerd incorrectly processed certain images with large files. An attacker could possibly use this issue to cause containerd to crash, resulting in a denial of service. CVE-2023-25153 It was discovered that containerd incorrectly set up...

USN-6201-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. CVE-2023-37201, CVE-2023-37202,...

USN-6200-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled the "-authenticate" option for password-protected PDF files. An attacker could possibly use this issue to inject additional shell commands and perform arbitrary code execution. This issue only affected Ubuntu 20.04 LTS. CVE-2020-29599 It was...

USN-6199-1: PHP vulnerability

It was discovered that PHP incorrectly handled certain Digest authentication for SOAP. An attacker could possibly use this issue to expose sensitive information...

USN-6198-1: GNU Screen vulnerability

It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen was installed as setuid or setgid, a local attacker could possibly use this issue to cause a denial of service on a target application...

USN-6197-1: OpenLDAP vulnerability

It was discovered that OpenLDAP was not properly performing bounds checks when executing functions related to LDAP URLs. An attacker could possibly use this issue to cause a denial of service...

USN-6196-1: ReportLab vulnerability

It was discovered that ReportLab incorrectly handled certain PDF files. An attacker could possibly use this issue to execute arbitrary code...

USN-6195-1: Vim vulnerabilities

It was discovered that Vim contained an out-of-bounds read vulnerability. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2022-0128 It was discovered that Vim did not properly manage memory when freeing allocated memory. An attacker could...

USN-6194-1: Linux kernel (OEM) vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 Xingyuan Mo and Gengjia Chen...

USN-6193-1: Linux kernel vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 It was discovered that for some...

USN-6192-1: Linux kernel vulnerabilities

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-35788, LP: 2023577 Xingyuan Mo and Gengjia Chen...

USN-6191-1: Linux kernel regression

USN-6081-1, USN-6084-1, USN-6092-1 and USN-6095-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a spurious warning in the IPv6 subsystem. This update removes the undesired warning message...

USN-6189-1: etcd vulnerability

It was discovered that etcd leaked credentials when debugging was enabled. This allowed remote attackers to discover etcd authentication credentials and possibly escalate privileges on systems using etcd...

USN-6190-1: AccountsService vulnerability

Kevin Backhouse discovered that AccountsService incorrectly handled certain D-Bus messages. A local attacker could use this issue to cause AccountsService to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6161-2: .NET regression

USN-6161-1 fixed vulnerabilities in .NET. The update introduced a regression with regards to how the runtime imported X.509 certificates. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that .NET did not properly enforce certain...

USN-6188-1: OpenSSL vulnerability

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service...

USN-6184-1: CUPS vulnerability

It was discovered that CUPS incorrectly handled certain memory operations. An attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service, or possibly obtain sensitive information...

USN-6187-1: Linux kernel (IBM) vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the TUN/TAP driver in t...

USN-6186-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6185-1: Linux kernel vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6183-1: Bind vulnerabilities

Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled the cache size limit. A remote attacker could possibly use this issue to consume memory, leading to a denial of service. CVE-2023-2828 It was discovered that Bind incorrectly handled the...

LSN-0095-1: Kernel Live Patch Security Notice

It was discovered that the OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.CVE-2023-0386 It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel...

USN-6182-1: pngcheck vulnerabilities

It was discovered that pngcheck incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service...

USN-6181-1: Ruby vulnerabilities

Hiroshi Tokumaru discovered that Ruby did not properly handle certain user input for applications the generate HTTP responses using cgi gem. An attacker could possibly use this issue to maliciously modify the response a user would receive from a vulnerable application. This issue only affected...

USN-6143-3: Firefox regressions

USN-6143-1 fixed vulnerabilities and USN-6143-2 fixed minor regressions in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were...

USN-5948-2: Werkzeug vulnerabilities

USN-5948-1 fixed vulnerabilities in Werkzeug. This update provides the corresponding updates for Ubuntu 23.04. Original advisory details: It was discovered that Werkzeug did not properly handle the parsing of nameless cookies. A remote attacker could possibly use this issue to shadow other cookie...

USN-6180-1: VLC media player vulnerabilities

It was discovered that VLC could be made to read out of bounds when decoding image files. If a user were tricked into opening a crafted image file, a remote attacker could possibly use this issue to cause VLC to crash, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and...

USN-6168-2: libx11 vulnerability

USN-6168-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 ESM. Original advisory details: Gregory James Duck discovered that libx11 incorrectly handled certain Request, Event, or Error IDs. If a user were...

USN-6179-1: Jettison vulnerability

It was discovered that Jettison incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service...