USN-6446-3: Linux kernel (Oracle) vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6440-3: Linux kernel (HWE) vulnerabilities

Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A local attacker could use this to expose sensitive information kernel memory or in conjunction with another kernel vulnerability. CVE-2023-0597 It was discovere...

USN-6391-1: CUPS vulnerability

It was discovered that CUPS incorrectly parsed certain Postscript objects. If a user or automated system were tricked into printing a specially crafted document, a remote attacker could use this issue to cause CUPS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6138-1: libssh vulnerabilities

Philip Turnbull discovered that libssh incorrectly handled rekeying with algorithm guessing. A remote attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2023-1667 Kevin Backhouse discovered that libssh incorrectly...

USN-6109-1: Linux kernel (Raspberry Pi) vulnerabilities

Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3707 Jordy Zomer and Alexandra Sandulescu discover...

USN-6088-1: runC vulnerabilities

It was discovered that runC incorrectly made /sys/fs/cgroup writable when in rootless mode. An attacker could possibly use this issue to escalate privileges. CVE-2023-25809 It was discovered that runC incorrectly performed access control when mounting /proc to non-directories. An attacker could...

USN-6058-1: Linux kernel vulnerability

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-6055-1: 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. CVE-2023-28755 It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a...

USN-6018-1: Apport vulnerability

Chen Lu, Lei Wang, and YiQi Sun discovered a privilege escalation vulnerability in apport-cli when viewing crash reports and unprivileged users are allowed to run sudo less. A local attacker on a specially configured system could use this to escalate their privilege...

USN-5952-1: OpenJPEG vulnerabilities

Sebastian Poeplau discovered that OpenJPEG 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 or execute arbitrary code. This issue only affecte...

USN-5870-1: apr-util vulnerability

Ronald Crane discovered that APR-util did not properly handled memory when encoding or decoding certain input data. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code...

USN-5859-1: Linux kernel (OEM) vulnerabilities

Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-0179 It was discovered that the Netronome...

USN-5858-1: Linux kernel (OEM) vulnerabilities

Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-0179 It was discovered that the Netronome...

USN-5842-1: EditorConfig Core C vulnerability

Mark Esler and David Fernandez Gonzalez discovered that EditorConfig Core C incorrectly handled memory when handling certain inputs. An attacker could possibly use this issue to cause applications using EditorConfig Core C to crash, resulting in a denial of service, or possibly execute arbitrary...

USN-5817-1: Setuptools vulnerability

Sebastian Chnelik discovered that setuptools incorrectly handled certain regex inputs. An attacker could possibly use this issue to cause a denial of service...

USN-5787-1: Libksba vulnerability

It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5767-1: Python vulnerabilities

Nicky Mouha discovered that Python incorrectly handled certain SHA-3 internals. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-37454 It was discovered that Python incorrectly handled certain IDNA inputs. An attacker could possibly use this issue to...

USN-5756-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5755-1: Linux kernel vulnerabilities

It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-43945 Jann Horn discovered that the...

USN-5728-2: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5729-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service system crash. CVE-2022-20422 Hsin-Wei Hung discovered that the BPF subsystem in the Linux kernel contained an...

USN-5700-1: Linux kernel vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to 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-2022-2602...

USN-5644-1: Linux kernel (GCP) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Duoming...

USN-5619-1: LibTIFF vulnerabilities

It was discovered that LibTIFF was not properly performing the calculation of data that would eventually be used as a reference for bound-checking operations. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu...

USN-5613-2: Vim regression

USN-5613-1 fixed vulnerabilities in Vim. Unfortunately that update failed to include binary packages for some architectures. This update fixes that regression. We apologize for the inconvenience. Original advisory details: It was discovered that Vim was not properly performing bounds checks when...

USN-5583-2: systemd regression

USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a regression by introducing networking problems for some users. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that systemd incorrectly handled certain DNS...

USN-5572-2: Linux kernel (AWS) vulnerabilities

Roger Pau Monné discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information guest kernel memory. CVE-2022-26365 Roger Pau Monné...

USN-5428-1: libXrandr vulnerabilities

Tobias Stoeckmann discovered that libXrandr incorrectly handled certain responses. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. CVE-2016-7947, CVE-2016-7948...

USN-5423-1: ClamAV vulnerabilities

Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. CVE-2022-20770 Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF files. A remote...

USN-5198-1: HTMLDOC vulnerability

It was discovered that HTMLDOC improperly handled malformed URIs from an input html file. An attacker could use this to cause a denial of service...

USN-5188-1: Keepalived vulnerability

It was discovered that Keepalived incorrectly handled certain messages. An attacker could possibly use this issue to access-control bypass...

USN-4665-2: curl vulnerabilities

USN-4665-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Varnavas Papaioannou discovered that curl incorrectly handled FTP PASV responses. An attacker could possibly use this issue to tric...

USN-4653-1: containerd vulnerability

It was discovered that access controls for the shim’s API socket did not restrict access to the abstract unix domain socket in some cases. An attacker could use this vulnerability to run containers with elevated privileges...

USN-4640-1: PulseAudio vulnerability

James Henstridge discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle snap client connections. An attacker could possibly use this to expose sensitive information...

USN-4552-3: Pam-python regression

USN-4552-1 and USN-4552-2 fixed a vulnerability in Pam-python. The update introduced a regression which prevented PAM modules written in Python from importing python modules from site-specific directories. We apologize for the inconvenience. Original advisory details: Malte Kraus discovered that...

USN-4589-2: Docker vulnerability

USN-4589-1 fixed a vulnerability in containerd. This update provides the corresponding update for docker.io. Original advisory details: It was discovered that containerd could be made to expose sensitive information when processing URLs in container image manifests. A remote attacker could use th...

USN-4566-1: Cyrus IMAP Server vulnerabilities

It was dicovered that Cyrus IMAP Server could execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. CVE-2019-11356 It was discovered that the Cyrus IMA...

USN-4435-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. CVE-2020-3327 It was discovered that ClamAV incorrectly handled scanning malicious files. A local attacker could...

USN-4430-1: Pillow vulnerabilities

It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted image file, a remote attacker could possibly cause Pillow to crash, resulting in a denial of service...

USN-4354-1: Mailman vulnerability

It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary content in the login page...

USN-4078-2: OpenLDAP vulnerabilities

USN-4078-1 fixed several vulnerabilities in openldap. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that OpenLDAP incorrectly handled rootDN delegation. A database administrator could use this issue to request...

USN-4091-1: poppler vulnerability

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service...

USN-3767-1: GLib vulnerabilities

It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2018-16428 It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to access...

USN-3765-2: curl vulnerability

USN-3765-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that curl incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code...

USN-3717-1: PolicyKit vulnerabilities

Tavis Ormandy discovered that PolicyKit incorrectly handled certain invalid object paths. A local attacker could possibly use this issue to cause PolicyKit to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2015-3218 It was discovered that PolicyKit...

USN-3658-2: procps-ng vulnerabilities

USN-3658-1 fixed a vulnerability in procps-ng. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libprocps incorrectly handled the file2strvec function. A local attacker could possibly use this to execute arbitrary code...

USN-3595-2: Samba vulnerability

USN-3595-1 fix a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Samba incorrectly validated inputs to the RPC spoolss service. An authenticated attacker could use this issue to cause the service to cras...

USN-3509-4: Linux kernel (Xenial HWE) regression

USN-3509-2 fixed vulnerabilities in the Linux Hardware Enablement kernel for Ubuntu 14.04 LTS. Unfortunately, it also introduced a regression that prevented the Ceph network filesystem from being used. This update fixes the problem. We apologize for the inconvenience. Original advisory details:...

USN-3510-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3510-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink...

USN-3509-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3509-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink...