#ubuntu

Ubuntu Security Notice 5728-3 - 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 or possibly execute arbitrary code. It was discovered that a race condition existed in the memory address space accounting implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice 5745-2 - USN-5745-1 fixed vulnerabilities in shadow. Unfortunately that update introduced a regression that caused useradd to behave incorrectly in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This update reverts the security fix pending further investigation.

Ubuntu Security Notice 5748-1 - It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5689-2 - USN-5689-1 fixed a vulnerability in Perl. This update provides the corresponding update for Ubuntu 22.10. It was discovered that Perl incorrectly handled certain signature verification. An remote attacker could possibly use this issue to bypass signature verification.

LibreDWG v0.12.4.4643 was discovered to contain a heap buffer overflow via the function decode_preR13_section_hdr at decode_r11.c.

GPAC v2.1-DEV-rev478-g696e6f868-master was discovered to contain a heap use-after-free via the Q_IsTypeOn function at /gpac/src/bifs/unquantize.c.

Ubuntu Security Notice 5747-1 - It was discovered that Bind incorrectly handled large query name when using lightweight resolver protocol. A remote attacker could use this issue to consume resources, leading to a denial of service. It was discovered that Bind incorrectly handled large zone data size received via AXFR response. A remote authenticated attacker could use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS.

Ubuntu Security Notice 5746-1 - Behzad Najjarpour Jabbari discovered that HarfBuzz incorrectly handled certain inputs. A remote attacker could possibly use this issue to cause a denial of service.

GPAC v2.1-DEV-rev428-gcb8ae46c8-master was discovered to contain a memory leak via the function dimC_box_read at isomedia/box_code_3gpp.c.

Ubuntu Security Notice 5745-1 - Florian Weimer discovered that shadow was not properly copying and removing user directory trees, which could lead to a race condition. A local attacker could possibly use this issue to setup a symlink attack and alter or remove directories without authorization.