Code injection

An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tssinvalidateiobitmap mishandling causes a loss of synchronization between the I/O bitmaps ...

Amazon Linux AMI : kernel (ALAS-2020-1401)

The version of kernel installed on the remote host is prior to 4.14.186-110.268. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1401 advisory. An issue where a provided address with accessok is not checked was discovered in i915gemexecbuffer2ioctl in...

kernel security and bug fix update

2.6.32-754.31.1.OL6 - Update genkey bug 25599697 2.6.32-754.31.1 - x86 x86/speculation: Provide SRBDS late microcode loading support Waiman Long 1827185 CVE-2020-0543 - documentation x86/speculation: Add Ivy Bridge to affected list Waiman Long 1827185 CVE-2020-0543 - documentation x86/speculation...

Unbreakable Enterprise kernel security update

kernel-uek 3.8.13-118.47.1 - media: ttusb-dec: Fix info-leak in ttusbdecsendcommand Tomas Bortoli Orabug: 31351121 CVE-2019-19533 - can: peakusb: fix slab info leak Johan Hovold Orabug: 31351143 CVE-2019-19534 - ALSA: core: Fix card races between register and disconnect Takashi Iwai Orabug:...

SUSE-SU-2020:1587-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which...

CVE-2020-13974

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if kascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case...

Unbreakable Enterprise kernel security update

2.6.39-400.322.1 - ipvs: reset ipvs pointer in netns Julian Anastasov Orabug: 31027196 - ipvs: prefer NETDEVDOWN event to free cached dsts Julian Anastasov Orabug: 31027196 - HID: hiddev: do cleanup in failure of opening a device Hillf Danton Orabug: 31206362 CVE-2019-19527 - HID: hiddev: avoid...

SUSE-SU-2020:1486-1 Security update for the Linux Kernel (Live Patch 34 for SLE 12 SP2)

This update for the Linux Kernel 4.4.121-92129 fixes several issues. The following security issues were fixed: - CVE-2020-12653: Fixed a buffer overflow in mwifiexcmdappendvsietlv which could have allowed local users to gain privileges or cause a denial of service bsc1171254. - CVE-2020-12654:...

kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c

A use-after-free vulnerability was found in the Linux kernel’s implementation of blktrace in the blkaddtrace function. A local attacker with permissions to run block trace instructions against a device can create a situation where the core blocktrace object is used after it is freed. The attacker...

LSN-0067-1 Kernel Live Patch Security Notice

It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize data. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-11494...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

SUSE-SU-2020:1275-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-11494: An issue was discovered in slcbump in drivers/net/can/slcan.c, which allowed attackers to read uninitialized canframe data, potentially containin...

kernel security and bug fix update

3.10.0-1127.8.2.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 3.10.0-1127.8.2 - net netlabel: cope with NULL catmap Paolo Abeni 1827239 1827240...

Arbitrary Code Execution

kernel is vulnerable to arbitrary code execution. A double free may be caused by the function allocatetracebuffer in the file kernel/trace/trace.c...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2020-12768

CVE-2020-12768 affects the Linux kernel before 5.6, specifically svm_cpu_uninit in arch/x86/kvm/svm.c. The issue is a memory leak that occurs at boot time; third parties dispute its severity, noting the leak is one-time and its size is negligible and not triggerable at will. Public sources in con...

Unbreakable Enterprise kernel security update

4.1.12-124.39.1 - qla2xxx: Update driver version to 9.00.00.00.42.0-k1-v2 Arun Easi Orabug: 30372266 - qla2xxx: Fix device discovery when FCP2 device is lost. Arun Easi Orabug: 30372266 - brcmfmac: add subtype check for event handling in data path John Donnelly Orabug: 30776354 CVE-2019-9503 -...

Updated kernel packages fix security vulnerabilities

This update is based on the upstream 5.6.8 kernel and fixes at least the following security issues: usbsgcancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a referenceCVE-2020-12464. An issue was discovered in the Linux...

kernel security, bug fix, and enhancement update

4.18.0-193.el8.OL8 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 4.18.0-193.el8 - kvm KVM: PPC: Book3S HV: Use gfntopfnmemslot in HPT page fau...

SUSE-SU-2020:14354-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-10942: In getrawsocket in drivers/vhost/net.c lacks validation of an skfamily field, which might allow attackers to trigger kernel stack corruption via...