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...

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-2026:1662 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:...

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:...

kernel: smb: client: Fix use-after-free in cifs_fill_dirent

A use-after-free flaw was found in cifsfilldirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: fixed a slab-out-of-bounds read in hfsplusuni2asc The hfsplusreaddir method can cause a crash by calling hfsplusuni2asc: 667.121659 T9805 ================================================================== 667.122651...

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 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...

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...

CVE-1999-0724

Buffer overflow in OpenBSD procfs and fdescfs file systems via uiooffset in the readdir function...

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:...

SUSE CVE-2025-68185

In the Linux kernel, the following vulnerability has been resolved: nfs4setupreaddir: insufficient locking for -dparent-dinode dereferencing Theoretically it's an oopsable race, but I don't believe one can manage to hit it on real hardware; might become doable on a KVM, but it still won't be easy...