RHEL 8 : kernel (RHSA-2025:15656)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15656 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ext4: use-after-free in...

kernel: ext4: aovid use-after-free in ext4_ext_insert_extent()

In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4extinsertextent As Ojaswin mentioned in Link, in ext4extinsertextent, if the path is reallocated in ext4extcreatenewleaf, we'll use the stale path and cause UAF. Below is a sample trace with dumm...

Linux Distros Unpatched Vulnerability : CVE-2022-49349

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix use-after-free in ext4renamedirprepare We got issue as follows: EXT4-fs loop0: mounted filesystem without journal. Opts: ,errors=continue...

UBUNTU-CVE-2022-49349

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4renamedirprepare We got issue as follows: EXT4-fs loop0: mounted filesystem without journal. Opts: ,errors=continue ext4getfirstdirblock: bh-bdata=0xffff88810bee6000 len=34478 ext4getfirstdirblock:...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49883)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49883 advisory. - In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in...

CLSA-2024-1731431059 kernel: Fix of 31 CVEs

driver core: bus: Fix double free in driver API busregister CVE-2024-50055 - net: tun: Fix use-after-free in tundetach CVE-2022-49014 - memcg: fix possible use-after-free in memcgwriteeventcontrol CVE-2022-48988 - ppp: fix pppasyncencode illegal access CVE-2024-50035 - drivers: media:...

CLSA-2024-1731348593 kernel: Fix of 18 CVEs

mm: call the securitymmapfile LSM hook in remapfilepages CVE-2024-47745 - slip: make slhcremember more robust against malicious packets CVE-2024-50033 - drm/amdkfd: amdkfdfreegttmem clear the correct pointer CVE-2024-49991 - firmwareloader: Block path traversal CVE-2024-47742 - ext4: avoid OOB...

DEBIAN-CVE-2024-49883

In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4extinsertextent As Ojaswin mentioned in Link, in ext4extinsertextent, if the path is reallocated in ext4extcreatenewleaf, we'll use the stale path and cause UAF. Below is a sample trace with dumm...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

USN-6573-1 linux-azure vulnerabilities

Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2023-39189 Kyle Zeng...

USN-6537-1 linux-gcp vulnerabilities

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Lucas Leong discovered that the netfilter subsystem in the...

USN-6536-1 linux, linux-aws, linux-laptop, linux-lowlatency, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2023-39189 Kyle Zeng...

Unbreakable Enterprise kernel security update

4.1.12-124.79.2 - net/sched: clsroute: No longer copy tcfresult on update to avoid use-after-free valis Orabug: 35814273 CVE-2023-4206 - net/sched: schqfq: account for stab overhead in qfqenqueue Pedro Tammela Orabug: 35636291 CVE-2023-3611 - rds: Fix lack of reentrancy for connection reset with...

USN-6337-1 linux-azure-5.4 vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

USN-6314-1 linux-bluefield, linux-ibm vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

USN-6312-1 linux-gke, linux-ibm-5.4 vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

USN-6301-1 linux-hwe-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

CVE-2023-30549 Unpatched extfs vulnerabilities are exploitable through suid-mode Apptainer

Apptainer is an open source container platform for Linux. There is an ext4 use-after-free flaw that is exploitable through versions of Apptainer 1.1.0 and installations that include apptainer-suid 1.1.8 on older operating systems where that CVE has not been patched. That includes Red Hat Enterpri...

UBUNTU-CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

OESA-2022-2015 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.CVE-2022-1184 A race condition...