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Ubuntu Security Notice USN-6244-1

Ubuntu Security Notice 6244-1 - Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

Packet Storm
#vulnerability#ubuntu#perl#amd
Ubuntu Security Notice USN-6129-2

Ubuntu Security Notice 6129-2 - USN-6129-1 fixed a vulnerability in Avahi. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Avahi incorrectly handled certain DBus messages. A local attacker could possibly use this issue to cause Avahi to crash, resulting in a denial of service.

Ubuntu Security Notice USN-6246-1

Ubuntu Security Notice 6246-1 - It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Mingi Cho discovered that the netfilter subsystem in the Linux kernel did not properly validate the status of a nft chain while performing a lookup by id, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

CVE-2023-2640: CVE - CVE-2023-2640

On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

CVE-2023-32629: CVE - CVE-2023-32629

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels

Ubuntu Security Notice USN-6243-1

Ubuntu Security Notice 6243-1 - It was discovered that Graphite-Web 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 perform server-side request forgery and obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Graphite-Web 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 perform cross site scripting and obtain sensitive information.

Ubuntu Security Notice USN-6242-1

Ubuntu Security Notice 6242-1 - It was discovered that OpenSSH incorrectly handled loading certain PKCS#11 providers. If a user forwarded their ssh-agent to an untrusted system, a remote attacker could possibly use this issue to load arbitrary libraries from the user's system and execute arbitrary code.

Ubuntu Security Notice USN-6240-1

Ubuntu Security Notice 6240-1 - It was discovered that FRR incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice USN-6203-2

Ubuntu Security Notice 6203-2 - USN-6203-1 fixed a vulnerability in Django. This update provides the corresponding update for Ubuntu 18.04 ESM. 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.

Ubuntu Security Notice USN-6241-1

Ubuntu Security Notice 6241-1 - Jan Wasilewski and Gorka Eguileor discovered that OpenStack incorrectly handled deleted volume attachments. An authenticated user or attacker could possibly use this issue to gain access to sensitive information.