EUVD-2023-60457

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsit: Free cmds before session free Commands from recovery entries are freed after session has been closed. That leads to use-after-free at command free or NPE with such call trace: Time2Retain timer expired for...

EUVD-2022-55860

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54258

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

UBUNTU-CVE-2023-54258

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

CVE-2022-50819

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of sg table fails When userspace tries to map the dmabuf and if for some reason e.g. OOM the creation of the sg table fails, ubuf-sg needs to be set to NULL. Otherwise, when the userspa...

CVE-2023-54258

CVE-2023-54258 affects the Linux kernel CIFS/SMB client code. The vulnerability stems from a race between deferred closes and lease breaks in cifs_oplock_break, where an unmount (kill_sb) could observe an invalid tcon->ses if not properly synchronized. The documented fix orders the checks befo...

CVE-2023-54258 cifs: fix potential oops in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

UBUNTU-CVE-2022-50786

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clear workbit to handle error condition During error on CLOSEINSTANCE command, ctxworkbits was not getting cleared. During consequent mfc execution NULL pointer dereferencing of this context led to kernel panic...

UBUNTU-CVE-2022-50785

In the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use getdevice and putdevice in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check...

CVE-2023-54184

Summary (CVE-2023-54184) The vulnerability affects the Linux kernel SCSI target (iscsi_target_mod) where recovery entries for iSCSI sessions are freed after the session is closed, leading to use-after-free or NULL dereference during command free due to a late cleanup. The root cause is the cleanu...

CVE-2022-50786 media: s5p-mfc: Clear workbit to handle error condition

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clear workbit to handle error condition During error on CLOSEINSTANCE command, ctxworkbits was not getting cleared. During consequent mfc execution NULL pointer dereferencing of this context led to kernel panic...

CVE-2022-50785 fsi: occ: Prevent use after free

In the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use getdevice and putdevice in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check...

CVE-2022-50785

The CVE-2022-50785 entry describes a Linux kernel use-after-free in fsi: occ where a device could be freed while a file descriptor is open. The root cause and mitigation are specified: use get_device and put_device in open/close functions to keep the device alive while a descriptor is open, and a...

CVE-2022-50785 fsi: occ: Prevent use after free

In the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use getdevice and putdevice in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check...

PT-2025-54005

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc1-gde5e8fd0123c 11 Description The mptcp protocol could run a worker when the associated socket was in an unexpected state, specifically during a connect operation following an incoming reset and fastclos...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992674)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992674 advisory. In the Linux kernel, the following vulnerability has been resolved: fix bitmap corruption on closerange with CLOSERANGEUNSHARE copyfdbitmapsnew, old, count is expect...

PT-2025-54087

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the CIFS implementation, specifically in the cifs oplock break function. A race condition can occur with deferred close operations and lease break...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992252)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992252 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer...

PT-2025-54013

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the SCSI target iSCSI implementation. Specifically, commands from recovery entries are freed after the session has been closed, leading to a...