Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5755-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5755-1 advisory. It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5755-2)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5755-2 advisory. It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A...

USN-5758-1: Linux kernel vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5757-1: Linux kernel vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5756-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5755-1: Linux kernel vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-43945 Jann Horn discovered that the...

USN-5754-1: Linux kernel vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-43945 It was discovered that a memory...

GSD-2022-1007678 nilfs2: fix leak of nilfs_root in case of writer thread creation failure

nilfs2: fix leak of nilfsroot in case of writer thread creation failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.331 by commit...

GSD-2022-1007675 nilfs2: fix use-after-free bug of struct nilfs_root

nilfs2: fix use-after-free bug of struct nilfsroot This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.331 by commit...

GSD-2022-1007673 nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure

nilfs2: replace WARNONs by nilfserror for checkpoint acquisition failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.331 by commit...

GSD-2022-1007618 nilfs2: fix leak of nilfs_root in case of writer thread creation failure

nilfs2: fix leak of nilfsroot in case of writer thread creation failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.296 by commit...

GSD-2022-1007616 nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()

nilfs2: fix NULL pointer dereference at nilfsbmaplookupatlevel This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.296 by commit...

GSD-2022-1007615 nilfs2: fix use-after-free bug of struct nilfs_root

nilfs2: fix use-after-free bug of struct nilfsroot This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.296 by commit...

GSD-2022-1007613 nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure

nilfs2: replace WARNONs by nilfserror for checkpoint acquisition failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.296 by commit...

GSD-2022-1007545 nilfs2: fix leak of nilfs_root in case of writer thread creation failure

nilfs2: fix leak of nilfsroot in case of writer thread creation failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.262 by commit...

GSD-2022-1007543 nilfs2: fix use-after-free bug of struct nilfs_root

nilfs2: fix use-after-free bug of struct nilfsroot This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.262 by commit...

GSD-2022-1007542 nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()

nilfs2: fix NULL pointer dereference at nilfsbmaplookupatlevel This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.262 by commit...

GSD-2022-1007540 nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure

nilfs2: replace WARNONs by nilfserror for checkpoint acquisition failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.262 by commit...

GSD-2022-1007454 nilfs2: fix leak of nilfs_root in case of writer thread creation failure

nilfs2: fix leak of nilfsroot in case of writer thread creation failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.218 by commit...

GSD-2022-1007453 nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()

nilfs2: fix NULL pointer dereference at nilfsbmaplookupatlevel This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.218 by commit...