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Email addresssecurity at ubuntu.com
First Active2004-10-28
Last Active2023-02-01
Ubuntu Security Notice USN-5763-1
Posted Dec 7, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5763-1 - It was discovered that NumPy did not properly manage memory when specifying arrays of large dimensions. If a user were tricked into running malicious Python file, an attacker could cause a denial of service. This issue only affected Ubuntu 20.04 LTS. It was discovered that NumPy did not properly perform string comparison operations under certain circumstances. An attacker could possibly use this issue to cause NumPy to crash, resulting in a denial of service.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2021-33430, CVE-2021-34141
SHA-256 | 40ada0f71cfe2246d74c5f52c1ed606d4312af2338630c27267a73a8c26a3306
Ubuntu Security Notice USN-5764-1
Posted Dec 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5764-1 - It was discovered that U-Boot incorrectly handled certain USB DFU download setup packets. A local attacker could use this issue to cause U-Boot to crash, resulting in a denial of service, or possibly execute arbitrary code. Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled certain fragmented IP packets. A local attacker could use this issue to cause U-Boot to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2022-2347, CVE-2022-30767, CVE-2022-33103, CVE-2022-33967, CVE-2022-34835
SHA-256 | c374fbc3c67ea72a61b394231c2cae8b95818ad1195b97b00f7b4e460194f7d8
Ubuntu Security Notice USN-5761-2
Posted Dec 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5761-2 - USN-5761-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Due to security concerns, the TrustCor certificate authority has been marked as distrusted in Mozilla's root store. This update removes the TrustCor CA certificates from the ca-certificates package.

tags | advisory, root
systems | linux, ubuntu
SHA-256 | 2ac590c5fa5d1b4e79477dbb12628fb231764da07b5b38ba08c88919ec13ff84
Ubuntu Security Notice USN-5762-1
Posted Dec 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5762-1 - It was discovered that GNU binutils incorrectly handled certain COFF files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-38533
SHA-256 | d4887d08b68ed5ea32d53aade9726a79a220cdce01e8b92162e681fe7a953184
Ubuntu Security Notice USN-5761-1
Posted Dec 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5761-1 - Due to security concerns, the TrustCor certificate authority has been marked as distrusted in Mozilla's root store. This update removes the TrustCor CA certificates from the ca-certificates package.

tags | advisory, root
systems | linux, ubuntu
SHA-256 | a1543428b0ef15f9a82d68c170b6dcc383d9cc53a47af58cfa00f7605a769e95
Ubuntu Security Notice USN-5760-2
Posted Dec 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5760-2 - USN-5760-1 fixed vulnerabilities in libxml2. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information or cause a crash.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-40303, CVE-2022-40304
SHA-256 | 4cd4094bfdb08455d198fe423faea041a834392f3e88a524fb4a2552a495968b
Ubuntu Security Notice USN-5760-1
Posted Dec 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5760-1 - It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information or cause a crash. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-2309, CVE-2022-40303, CVE-2022-40304
SHA-256 | 9fc112e80e0f3a354a493ad1a7397d6f1e017ae3dfe5deff8d20544d252e644b
Ubuntu Security Notice USN-5759-1
Posted Dec 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5759-1 - It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause LibBPF to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.10. It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause LibBPF to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-45940, CVE-2022-3606
SHA-256 | 0dd1a6726e82d29eb6519819607159abe89fea415bb410c0369a2119b10bab08
Ubuntu Security Notice USN-5756-2
Posted Dec 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5756-2 - 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 memory leak existed in the IPv6 implementation of the Linux kernel. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, memory leak
systems | linux, ubuntu
advisories | CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703
SHA-256 | fd657bcfc414d85a8443de84b86ec6824eb7efc7a6c947bdbd66654fc84d2ee6
Ubuntu Security Notice USN-5755-2
Posted Dec 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5755-2 - 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 or possibly execute arbitrary code. 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.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703, CVE-2022-43945
SHA-256 | d2fbfe0b1e16b268010256a4cf436448d0ab8438dd9601dd4f4365e0ff53fdce
Ubuntu Security Notice USN-5758-1
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5758-1 - 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 the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3239, CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-3635, CVE-2022-3649, CVE-2022-40768, CVE-2022-42703, CVE-2022-43750
SHA-256 | 256eadaaba2ca6b555ffdca188a01a32a38b8869b53454c79b3151aafb702dc1
Ubuntu Security Notice USN-5757-2
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5757-2 - 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 the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3239, CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703
SHA-256 | 5f3635e7bced605061a880c1d0d373b00f48497e09d55c49c21c5cb5f003b9f4
Ubuntu Security Notice USN-5757-1
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5757-1 - 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 the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3239, CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703
SHA-256 | 5d5eb3496c11848a0a1a5bfda361a1a1b9c343c48c6157f791c52da5fc1448fe
Ubuntu Security Notice USN-5756-1
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5756-1 - 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 memory leak existed in the IPv6 implementation of the Linux kernel. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, memory leak
systems | linux, ubuntu
advisories | CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703
SHA-256 | c262e99c891657cf670bafef427b5c8a98e36173cea0ebda9b9086966a51556a
Ubuntu Security Notice USN-5755-1
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5755-1 - 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 or possibly execute arbitrary code. 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.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-42703, CVE-2022-43945
SHA-256 | 879392a46f131ceda6904aea376da43dd805f027ea1f1205b5a2afe10b5a58d2
Ubuntu Security Notice USN-5743-2
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5743-2 - USN-5743-1 fixed a vulnerability in LibTIFF. This update provides the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-3970
SHA-256 | 2a5192644fb6667f237a50822d8c835fb861dc3345795bd767c605ecbbbc2534
Ubuntu Security Notice USN-5754-1
Posted Dec 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5754-1 - 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 or possibly execute arbitrary code. It was discovered that a memory leak existed in the IPv6 implementation of the Linux kernel. A local attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local, memory leak
systems | linux, ubuntu
advisories | CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-43945
SHA-256 | 6c13b7cd9ed047ea5614bb3a3710254bbd47c927bc2daeb7bc912d45b1c4b4fa
Ubuntu Security Notice USN-5753-1
Posted Dec 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5753-1 - The Qualys Research Team discovered that a race condition existed in the snapd snap-confine binary when preparing the private /tmp mount for a snap. A local attacker could possibly use this issue to escalate privileges and execute arbitrary code.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2022-3328
SHA-256 | 99c4b348641a89133cbe547d4f46f163510638a094b7414195395957e465a727
Ubuntu Security Notice USN-5752-1
Posted Dec 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5752-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2602, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | 05aa0cd46145a27b1c0c31ef2c85839a398ff8a121c80b0e6376868c17e8e519
Ubuntu Security Notice USN-5718-2
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5718-2 - USN-5718-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Maddie Stone discovered that pixman incorrectly handled certain memory operations. A remote attacker could use this issue to cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-44638
SHA-256 | 4fba7d2d1a4b1cbe7d2158569a85a80fe0aab7b0d5ae40c1ce0fde655445548f
Ubuntu Security Notice USN-5750-1
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5750-1 - It was discovered that GnuTLS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-4209
SHA-256 | 8d0498e3d4da525ac2ff53dd05fc680ea245f6b6c501a2220f966f7b34f7cdc8
Ubuntu Security Notice USN-5749-1
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5749-1 - Erik de Castro Lopo and Agostino Sarubbo discovered that libsamplerate did not properly perform bounds checking. If a user were tricked into processing a specially crafted audio file, an attacker could possibly use this issue to cause a crash.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2017-7697
SHA-256 | 4790f5bdf916ab62a3e0d244f0d0f5c665eb2ed06a3b65db68e6c26314ef453f
Ubuntu Security Notice USN-5728-3
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-29901, CVE-2022-3028, CVE-2022-3625, CVE-2022-3635, CVE-2022-39188, CVE-2022-40768, CVE-2022-41222, CVE-2022-42703, CVE-2022-42719
SHA-256 | ebafaab2d5db4b2842460331e69fe77801e170fb619cc3bd4e090cd8f02623de
Ubuntu Security Notice USN-5745-2
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, vulnerability
systems | linux, ubuntu
SHA-256 | f6ac20e439d8d241d992c88ebb7f2f3eb0fba751ce497dfb7bfa0c5cc3142049
Ubuntu Security Notice USN-5748-1
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-39377
SHA-256 | 05fabde1cb6cfea55f277c3be3e27829f8f1a26de0cc437db0a779377dc8a475
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