SUSE CVE-2021-20219

A denial of service vulnerability was found in nttyreceivecharspecial in drivers/tty/ntty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop due to a changing ldata-readhead, and a missing sanity check and cause a threat to the system availabili...

SUSE: Security Advisory (SUSE-SU-2021:1617-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1623-1)

The SUSE Linux Enterprise 12 SP2 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue in virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fixed an...

SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1624-1)

The SUSE Linux Enterprise 15 SP1 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue in virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fixed an...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1596-1)

The SUSE Linux Enterprise 12 SP4 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue in virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fixed an...

SUSE-SU-2021:1266-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel RT was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution bsc1184391. - CVE-2020-25670, CVE-2020-25671,...

SUSE: Security Advisory (SUSE-SU-2021:1248-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1248-1)

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem bsc1178181. CVE-2020-36311: Fixed a denial of service so...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1210-1)

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0...

CVE-2021-20219

CVE-2021-20219: Linux kernel DoS in n_tty_receive_char_special (drivers/tty/n_tty.c). Local attacker with unprivileged user can delay the loop (ldata->read_head changes) due to a missing sanity check, impacting availability. The initial doc does not specify affected kernel versions, patches, o...