kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free

A locking vulnerability was found in the tty subsystem of the Linux kernel in drivers/tty/ttyjobctrl.c. This flaw allows a local attacker to possibly corrupt memory or escalate privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

Important: kernel-livepatch-4.14.200-155.322

Issue Overview: A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24. CVE-2020-29660 A locking vulnerability was found in the...

openSUSE Security Update : the Linux Kernel (openSUSE-2021-60)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-27835: A use after free in the Linux kernel infiniband hfi1 driver was found in the way user calls Ioctl after open dev file and fork. A local user could use thi...

openSUSE Security Update : the Linux Kernel (openSUSE-2021-75)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-29568: An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the even...

SUSE-SU-2021:0133-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-28374: Fixed a LIO security issue bsc1178372. - CVE-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver bsc1180559. -...

SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0108-1)

The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver bsc1180559. CVE-2020-27825: Fixed a race in the traceopen and buffer resi...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0098-1)

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-20669: Fixed an improper check i915gemexecbuffer2ioctl in drivers/gpu/drm/i915/i915gemexecbuffer.c bsc1122971. CVE-2019-20934: Fixed a use-after-fr...

SUSE-SU-2021:0094-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-27825: Fixed a race in the traceopen and buffer resize calls bsc1179960. - CVE-2020-0466: Fixed a use-after-free due to a logic error in doepollctl a...

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID aka CID-c8bcd9c5be24.

...

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP aka CID-54ffccbf053b.

...

CVE-2020-29661

A locking vulnerability was found in the tty subsystem of the Linux kernel in drivers/tty/ttyjobctrl.c. This flaw allows a local attacker to possibly corrupt memory or escalate privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

CVE-2020-29660

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24...

CVE-2020-29661

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyjobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b...

DEBIAN-CVE-2020-29660

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24...

DEBIAN-CVE-2020-29661

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyjobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b...

UBUNTU-CVE-2020-29660

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24...

Design/Logic Flaw

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24...

UBUNTU-CVE-2020-29661

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyjobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b...

Design/Logic Flaw

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyjobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b...

CVE-2020-29660

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24...