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-2023-52483

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...

DEBIAN-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...

DEBIAN-CVE-2021-46948

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

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...

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...

CVE-2021-46948

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

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...

UBUNTU-CVE-2021-46948

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

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...

UBUNTU-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...

CVE-2021-46949 sfc: farch: fix TX queue lookup in TX flush done handling

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...

CVE-2021-46923

In the Linux kernel, the following vulnerability has been resolved: fs/mountsetattr: always cleanup mountkattr Make sure that finishmountkattr is called after mountkattr was succesfully built in both the success and failure case to prevent leaking any references we took when we built it. We...

CVE-2021-46923 fs/mount_setattr: always cleanup mount_kattr

In the Linux kernel, the following vulnerability has been resolved: fs/mountsetattr: always cleanup mountkattr Make sure that finishmountkattr is called after mountkattr was succesfully built in both the success and failure case to prevent leaking any references we took when we built it. We...

PT-2024-26759

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the I/O page fault handler in the Linux kernel, which currently locates the PCI device by calling pci get domain bus and slot. This function searches the list of...

CVE-2023-52451

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/memhp: Fix access beyond end of drmem array dlparmemoryremovebyindex may access beyond the bounds of the drmem lmb array when the LMB lookup fails to match an entry with the given DRC index. When the search fails,...