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CVE-2023-38429

Status Candidate

Overview

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.

Related Files

Ubuntu Security Notice USN-6339-4
Posted Sep 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6339-4 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | a3e8b1ad5465602a156c435c1f2741dfb786234586cfda3347456f0aba58dbb2
Ubuntu Security Notice USN-6339-3
Posted Sep 12, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6339-3 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | 2eb90c30fa41f35eeadbbd911d813105f3e87f3a1db17a27a52b84d78bcc4b2c
Ubuntu Security Notice USN-6338-2
Posted Sep 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6338-2 - Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. 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 f2fs file system in the Linux kernel, leading to a null pointer dereference vulnerability. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-32247, CVE-2023-32250, CVE-2023-32257, CVE-2023-32258, CVE-2023-38426, CVE-2023-38429
SHA-256 | 50b456251740b82bc0857a11e8461e784721fcfb5ced8b3aa4626d01c1868471
Ubuntu Security Notice USN-6339-2
Posted Sep 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6339-2 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | 077fdae2800c336a924ddcf0c8feac75ced182727019b194d9b8d2a79240a64f
Ubuntu Security Notice USN-6351-1
Posted Sep 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6351-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | c15dae03407487c2d5285dce31df9e24e6e3b40cda4e1fbe3266938239c8f965
Ubuntu Security Notice USN-6350-1
Posted Sep 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6350-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | fc93d3ecf4826862649617f94583491945529d2bd3ca986f5668259ad0fea34c
Ubuntu Security Notice USN-6344-1
Posted Sep 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6344-1 - Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. 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 f2fs file system in the Linux kernel, leading to a null pointer dereference vulnerability. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-32247, CVE-2023-32250, CVE-2023-32257, CVE-2023-32258, CVE-2023-38426, CVE-2023-38429
SHA-256 | b07fb1eb36412b00d7edf10557e2e523d0814242a2dfb475128c7625f4e5a6ce
Ubuntu Security Notice USN-6339-1
Posted Sep 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6339-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2022-48425, CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-3212, CVE-2023-38429
SHA-256 | 491b72b3d8f313572073602181b37b8870c0766ba938f4f836eb334119fd4c46
Ubuntu Security Notice USN-6338-1
Posted Sep 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6338-1 - Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. 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 f2fs file system in the Linux kernel, leading to a null pointer dereference vulnerability. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-21255, CVE-2023-2898, CVE-2023-31084, CVE-2023-32247, CVE-2023-32250, CVE-2023-32257, CVE-2023-32258, CVE-2023-38426, CVE-2023-38429
SHA-256 | 2ee8f4f89be7aba20da789b2af9e753495f65e05ad1798b5dda1c97c9e1c8903
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