kernel: Linux kernel: Use-after-free in proc_readdir_de() can lead to privilege escalation or denial of service.

A flaw was found in the Linux kernel. This use-after-free UAF vulnerability occurs in the procreaddirde function within the /proc filesystem. A local attacker with low privileges can exploit this by concurrently traversing specific directories while network devices are unregistered. This can lead...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. 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 each vulnerability from...

ALSA-2026:1661 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: IB/hfi1: Fix sdma.h tx-numdescs off-by-one error CVE-2024-26766 kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: IB/hfi1: Fix sdma.h tx-numdescs off-by-one error CVE-2024-26766 kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem CVE-2025-38022 kernel: Linux kernel:...

ALSA-2026:1662 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: IB/hfi1: Fix sdma.h tx-numdescs off-by-one error CVE-2024-26766 kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem CVE-2025-38022 kernel: Linux kernel:...

Unbreakable Enterprise kernel security update

5.4.17-2136.351.3.3 - crypto: afalg - Fix incorrect boolean values in afalgctx Eric Biggers Orabug: 38884602 CVE-2025-40022...

Unbreakable Enterprise kernel security update

5.15.0-316.196.4.1 - tipc: Fix use-after-free in tipcmonreinitself. Kuniyuki Iwashima Orabug: 38788585 CVE-2025-40280 - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38788587 CVE-2025-40271 - vsock: Ignore signal/timeout on connect if already established Michal Luczaj Orabug: 38788594...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2026-50005)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50005 advisory. - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38787139 CVE-2025-40271 Tenable has extracted the preceding description block directly from the Oracle...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50007)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50007 advisory. - tipc: Fix use-after-free in tipcmonreinitself. Kuniyuki Iwashima Orabug: 38788585 CVE-2025-40280 - fs/proc: fix uaf in procreaddirde Wei Yang...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q-elevator in blkmqelvswitchnone CVE-2023-53292 In the Linux kernel, the following vulnerability has been resolved: block: fix race between setblocksize and read paths CVE-2025-3807...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates CVE-2025-38678 In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise CVE-2025-40040 In the Lin...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28066)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-28066 advisory. - fs/proc: fix uaf in procreaddirde Wei Yang CVE-2025-40271 Tenable has extracted the preceding description block directly from the Oracle Linux...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2025-28068)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-28068 advisory. - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38786776 CVE-2025-40271 - NFSD: Define a proclayoutcommit for the FlexFiles layout type Chuck Lever...

Unbreakable Enterprise kernel security update

5.15.0-315.196.5.2 - tipc: Fix use-after-free in tipcmonreinitself. Kuniyuki Iwashima Orabug: 38786195 CVE-2025-40280 - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38786194 CVE-2025-40271 - vsock: Ignore signal/timeout on connect if already established Michal Luczaj Orabug: 38786193...

Unbreakable Enterprise kernel security update

5.4.17-2136.350.3.2 - fs/proc: fix uaf in procreaddirde Wei Yang Orabug: 38786776 CVE-2025-40271 5.4.17-2136.350.3.1 - Reapply 'cpuidle: menu: Avoid discarding useful information' Harshvardhan Jha Orabug: 38744458 - fbcon: fix integer overflow in font allocation Samasth Norway Ananda Orabug:...

Linux Distros Unpatched Vulnerability : CVE-2025-40271

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should us...

EUVD-2025-201584

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

CVE-2025-40271

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 4472)

This kernel update fixes the following security problems : - It was possible for local user to become root by exploiting a bug in the IA32 system call emulation. This affects x8664 platforms with kernel 2.4.x and 2.6.x before 2.6.22.7 only. CVE-2007-4573 - An information disclosure vulnerability ...