CVE-2023-52447 bpf: Defer the free of inner map when necessary

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

CVE-2023-52447

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

SUSE SLES15 Security Update : kernel (Live Patch 39 for SLE 15 SP3) (SUSE-SU-2024:0393-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0393-1 advisory. This update for the Linux Kernel 5.3.18-15030059144 fixes several issues. The following security issues were fixed: - CVE-2023-6932: Fixed a...

PT-2024-21443 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the wifi mac80211 component in the Linux kernel, specifically with the fix RCU use in TDLS fast-xmit. The problem arises because the link is looked up under RCU...

PT-2024-9917

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to the rcu nocb bypass lock function in the Linux kernel. It can be triggered when the kernel is built with CONFIG RCU NOCB CPU DEFAULT ALL=y and CONFIG RC...

DEBIAN-CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

AZL-32263 CVE-2023-6932 affecting package kernel for versions less than 5.15.143.1-1

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

Race condition

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

UBUNTU-CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

CVE-2023-6932 Use-after-free in Linux kernel's ipv4: igmp component

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-461)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-461 advisory. In the Linux kernel, the following vulnerability has been resolved: lib/generic-radix-tree.c: Don't overflow in peek CVE-2021-47432 In the Linux kernel, the following vulnerability has been...

PT-2023-7938 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be...

kernel: wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta

A data corruption issues was observed due to an uninitialized driver private data structures in the Linux kernel's wifi mac80211 subsystem. This could allow a local attacker to crash the system or leak kernel internal information...

kernel: wifi: rtw88: use work to update rate to avoid RCU warning

A flaw was identified in the Linux kernel’s rtw88 Wi-Fi driver drivers/net/wireless/realtek/rtw88 where the ieee80211ops::starcupdate callback was invoked within a Read-Copy-Update RCU read-side critical section without proper atomicity or deferral. The ieee80211chanbwchange function holds an RCU...

OESA-2023-1783 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4040cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open, aka a race...

OESA-2023-1782 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4040cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open, aka a race...

Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal

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The vulnerability of the rcu_barrier() function in the ksmbd module of Linux operating systems allows a hacker to elevate their privileges and execute arbitrary code.

The vulnerability of the rcubarrier function in the ksmbd module of Linux kernels is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to enhance their privileges and execute arbitrary code...