[SECURITY] [DLA 3752-1] libuv1 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-3752-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk March 05, 2024 https://wiki.debian.org/LTS -...

PT-2024-8337

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the btrfs component of the Linux kernel and involves an error in handling chunk tree lookup in the btrfs relocate sys chunks function. This error can lead to...

SUSE CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups mctproutelookup and mctproutelookupnull traverse the net's route list without the RCU read lock held. This means the route lookup is subject to...

SUSE 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-2023-52486 drm: Don't unref the same fb many times by mistake due to deadlock handling

In the Linux kernel, the following vulnerability has been resolved: drm: Don't unref the same fb many times by mistake due to deadlock handling If we get a deadlock after the fb lookup in drmmodepageflipioctl we proceed to unref the fb and then retry the whole thing from the top. But we forget to...

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...

DEBIAN-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! |...

DEBIAN-CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups mctproutelookup and mctproutelookupnull traverse the net's route list without the RCU read lock held. This means the route lookup is subject to...

CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups mctproutelookup and mctproutelookupnull traverse the net's route list without the RCU read lock held. This means the route lookup is subject to...

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! |...

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! |...

UBUNTU-CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups mctproutelookup and mctproutelookupnull traverse the net's route list without the RCU read lock held. This means the route lookup is subject to...

CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups mctproutelookup and mctproutelookupnull traverse the net's route list without the RCU read lock held. This means the route lookup is subject to...

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-2023-52483

CVE-2023-52483 affects the Linux kernel where mctp_route_lookup/mctp_route_lookup_null traverse net->mctp.routes without an RCU read lock, allowing a potential race that could lead to a use-after-free due to a grace period expiry and a kfree while a route pointer is in use. The security adviso...

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

CVE-2023-52480 is tied to a race in ksmbd where a session_lookup race with ksmbd_expire_session could lead to a use-after-free (sess->last_active). Connected docs confirm the fix adds a rwsem to synchronize ksmbd_session_lookup and ksmbd_expire_session, addressing the UAF window. The Linux ker...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a race condition between ksmbdsessionlookup and ksmbdexpiresession...

CVE-2021-46949

In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX flush done handling We're starting from a TXQ instance number 'qid', not a TXQ type, so efxgettxqueue is inappropriate and could return NULL, leading to panics...