Ubuntu Security Notices

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystem: – Bluetooth drivers; (CVE-2024-53238, CVE-2024-56757)

It was discovered that Vim incorrectly handled memory when closing buffers with the visual mode active. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

It was discovered that Python incorrectly handled asyncio write buffers. A remote attacker could possibly use this issue to cause Python to consume memory, leading to a denial of service.

It was discovered that Python incorrectly handled parsing bracketed hosts. A remote attacker could possibly use this issue to perform a Server-Side Request Forgery (SSRF) attack.

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: – ARM32 architecture; – RISC-V architecture; – S390 architecture; – x86 architecture; – Block layer subsystem; – ACPI drivers; – Drivers core; – ATA over ethernet (AOE) driver; – TPM device driver; – Clock framework and drivers; – Buffer Sharing and Synchronization framework; – EFI core; – GPIO subsystem; – GPU drivers; – HID subsystem; – I2C subsystem; – InfiniBand drivers; – Input Device core drivers; – Mailbox framework; – Media drivers; – Ethernet bonding driver; – Network drivers; – Mellanox network drivers; – Microsoft Azure Network Adapter (MANA) driver; – STMicroelectronics network drivers; – NTB driver; – Virtio pmem driver; – PCI subsystem; – x86 platform drivers; – S/390 drivers; – SCSI subsystem; – SPI subsystem; – Thermal drivers; – USB Device Class drivers; – USB Type-C Port Controller Manager driver; – VFIO drivers; – Virtio Host (VHOST) subsystem; – Framebuffer layer; – 9P distributed file system; – BTRFS file system; – Ceph distributed file system; – File systems infrastructure; – Ext4 file system; – F2FS file system; – GFS2 file system; – JFS file system; – Network file system (NFS) client; – Network file system (NFS) server daemon; – NILFS2 file system; – Network file system (NFS) superblock; – Bluetooth subsystem; – Network traffic control; – Network sockets; – TCP network protocol; – BPF subsystem; – Perf events; – Kernel thread helper (kthread); – Padata parallel execution mechanism; – Arbitrary resource management; – Static call mechanism; – Tracing infrastructure; – Memory management; – Ethernet bridge; – CAN network layer; – Networking core; – IPv4 networking; – IPv6 networking; – MAC80211 subsystem; – Multipath TCP; – Netfilter; – Netlink; – SCTP protocol; – TIPC protocol; – SELinux security module; – Simplified Mandatory Access Control Kernel framework; – AudioScience HPI driver; – Amlogic Meson SoC drivers; – USB sound devices; (CVE-2024-49944, CVE-2024-49907, CVE-2024-50062, CVE-2024-36893, CVE-2024-49985, CVE-2024-49903, CVE-2024-49886, CVE-2024-50180, CVE-2024-47757, CVE-2024-49938, CVE-2024-49902, CVE-2024-47709, CVE-2024-49884, CVE-2024-49967, CVE-2024-49977, CVE-2024-47734, CVE-2024-49954, CVE-2024-49963, CVE-2024-47747, CVE-2024-50008, CVE-2024-47696, CVE-2024-50038, CVE-2024-46695, CVE-2024-47705, CVE-2024-49957, CVE-2024-38538, CVE-2024-50019, CVE-2024-38544, CVE-2024-50003, CVE-2024-50095, CVE-2024-50000, CVE-2024-49981, CVE-2024-49863, CVE-2024-47710, CVE-2024-49983, CVE-2024-26947, CVE-2024-46852, CVE-2024-49871, CVE-2024-49936, CVE-2024-47720, CVE-2024-49881, CVE-2024-47672, CVE-2024-50040, CVE-2024-49997, CVE-2024-50044, CVE-2023-52532, CVE-2024-47740, CVE-2024-44942, CVE-2024-49948, CVE-2023-52621, CVE-2024-49959, CVE-2024-47718, CVE-2024-50188, CVE-2024-47699, CVE-2024-47756, CVE-2024-47723, CVE-2024-46849, CVE-2024-50035, CVE-2024-50189, CVE-2024-47684, CVE-2024-49900, CVE-2024-50024, CVE-2024-49851, CVE-2024-49860, CVE-2024-49924, CVE-2024-49946, CVE-2024-44940, CVE-2023-52904, CVE-2024-47679, CVE-2024-47748, CVE-2023-52917, CVE-2024-47735, CVE-2024-46858, CVE-2024-35904, CVE-2024-47673, CVE-2024-49878, CVE-2024-47739, CVE-2024-49973, CVE-2024-49935, CVE-2024-49875, CVE-2024-49896, CVE-2024-47690, CVE-2024-50007, CVE-2024-49933, CVE-2024-49958, CVE-2024-49913, CVE-2024-49883, CVE-2024-47742, CVE-2024-41016, CVE-2024-50002, CVE-2024-49969, CVE-2024-46853, CVE-2024-50031, CVE-2024-47698, CVE-2024-47749, CVE-2024-50059, CVE-2024-49966, CVE-2024-50093, CVE-2024-27072, CVE-2024-50186, CVE-2024-49895, CVE-2024-38632, CVE-2024-49995, CVE-2024-38545, CVE-2024-38667, CVE-2024-36968, CVE-2024-49952, CVE-2024-50001, CVE-2024-47697, CVE-2024-50045, CVE-2024-49856, CVE-2024-49852, CVE-2024-47712, CVE-2023-52639, CVE-2024-49975, CVE-2024-42158, CVE-2024-49962, CVE-2024-50181, CVE-2024-42156, CVE-2024-46855, CVE-2024-47693, CVE-2024-47670, CVE-2024-47706, CVE-2024-50184, CVE-2024-49965, CVE-2024-39463, CVE-2024-50191, CVE-2024-49866, CVE-2024-49890, CVE-2024-49877, CVE-2024-49879, CVE-2024-49927, CVE-2024-50039, CVE-2024-46859, CVE-2024-47674, CVE-2024-50096, CVE-2024-50013, CVE-2024-46854, CVE-2024-49868, CVE-2024-49882, CVE-2024-47671, CVE-2024-50179, CVE-2024-44931, CVE-2024-50046, CVE-2024-50006, CVE-2024-49892, CVE-2024-49949, CVE-2024-42079, CVE-2024-46865, CVE-2024-47692, CVE-2024-47713, CVE-2024-47701, CVE-2024-49889, CVE-2024-49894, CVE-2024-50015, CVE-2024-49858, CVE-2024-49955, CVE-2024-49867, CVE-2024-35951, CVE-2024-50033, CVE-2024-49982, CVE-2024-47695, CVE-2024-50049, CVE-2024-49930, CVE-2024-50041, CVE-2024-47737, CVE-2024-47685)

It was discovered that the PoDoFo library could dereference a NULL pointer when getting the number of pages in a PDF. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2018-11255) It was discovered that PoDoFo library incorrectly handled memory when computing an encryption key, which could lead to a buffer overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. (CVE-2018-12983) It was discovered that the PoDoFo library incorrectly handled memory allocation. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2018-20797) It was discovered that the PoDoFo library did not properly validate memcpy arguments. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-5308) It was discovered that the PoDoFo library incorrectly handled memory in the GetNextToken function, which could lead to a buffer overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-5886) It was discovered that the PoDoFo library could enter an infinite loop, which could lead to a stack overflow. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2018-8002, CVE-2020-18971, CVE-2021-30471, CVE-2021-30470) It was discovered that the PoDoFo library incorrectly handled memory allocation due to nInitialSize not being validated. If a user or application were tricked into opening a crafted PDF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2019-10723)

It was discovered that tqdm did not properly sanitize non-boolean CLI Arguments. A local attacker could possibly use this issue to execute arbitrary code on the host. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-34062)

USN-7206-1 fixed vulnerabilities in rsync. The update introduced a regression in rsync. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync did not properly handle checksum lengths. An attacker could use this issue to execute arbitrary code. (CVE-2024-12084) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync compared checksums with uninitialized memory. An attacker could exploit this issue to leak sensitive information. (CVE-2024-12085) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync incorrectly handled file checksums. A malicious server could use this to expose arbitrary client files. (CVE-2024-12086) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync mishandled symlinks for some settings. An attacker could exploit this to write files outside the intended directory. (CVE-2024-12087) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync failed to verify symbolic link destinations for some settings. An attacker could exploit this for path traversal attacks. (CVE-2024-12088) Aleksei Gorban discovered a race condition in rsync’s handling of symbolic links. An attacker could use this to access sensitive information or escalate privileges. (CVE-2024-12747)

Xisco Fauli discovered that libxml2 incorrectly handled custom SAX handlers. A remote attacker could possibly use this issue to perform XML External Entity (XXE) attacks.

It was discovered that HarfBuzz incorrecty handled certain memory operations. A remote attacker could use this issue to cause HarfBuzz to crash, resulting in a denial of service, or possibly execute arbitrary code.