CVE-2023-52480

A flaw was found in the ksmbd module in the Linux kernel. A race condition between session lookup and expire can cause a use-after-free, resulting in a denial of service...

Race condition

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

UBUNTU-CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

CVE-2023-52480 ksmbd: fix race condition between session lookup and expire

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

CVE-2023-52480 ksmbd: fix race condition between session lookup and expire

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

CVE-2023-52480: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

PT-2023-9489

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a race condition between session lookup and expire in the ksmbd component of the Linux kernel. This can lead to a use-after-free UAF condition, potentially allowi...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, i...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

SUSE CVE-2019-19318

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because in rwsemcanspinonowner in kernel/locking/rwsem.c rwsemownerflags returns an already freed pointer,...

GSD-2023-1001230 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

ALSA: pcm: Move rwsem lock inside sndctlelemread to prevent UAF 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 v5.10.163 by commit...

PT-2022-29516

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.17.2 Description The issue is related to the Bluetooth functionality in the Linux Kernel, specifically with the hci serdev component. It involves a potential security risk due to the order of operations, where...

PT-2022-29826

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.19 Description The issue is related to a potential security vulnerability in the Linux Kernel. It involves the hci serdev component, where the init rwsem function is not called before p-open. The actual...

PT-2021-6407 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.15.3 Description: The issue is related to the use of memory after it has been freed in the Linux kernel, specifically in the fs/quota/quota tree.c component. This occurs when checking the block number in the...