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Vulnerability of Linux kernel: memory corruption via Linux SCSI Target Offload Copy

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via Linux SCSI Target Offload Copy of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 13/01/2021.
Références of this threat: CERTFR-2021-AVI-035, CERTFR-2021-AVI-037, CERTFR-2021-AVI-064, CERTFR-2021-AVI-077, CERTFR-2021-AVI-109, CERTFR-2021-AVI-111, CERTFR-2021-AVI-120, CERTFR-2021-AVI-149, CERTFR-2021-AVI-185, CERTFR-2021-AVI-191, CERTFR-2021-AVI-201, CERTFR-2021-AVI-241, CERTFR-2021-AVI-242, CVE-2020-28374, CVE-2021-3139, DLA-2557-1, DLA-2586-1, DSA-4843-1, FEDORA-2021-082e638d02, FEDORA-2021-4a91649cf3, FEDORA-2021-620fb40359, openSUSE-SU-2021:0075-1, openSUSE-SU-2021:0097-1, openSUSE-SU-2021:0128-1, RHSA-2021:0856-01, RHSA-2021:0857-01, RHSA-2021:0862-01, RHSA-2021:1081-01, RHSA-2021:1093-01, SUSE-SU-2021:0093-1, SUSE-SU-2021:0117-1, SUSE-SU-2021:0118-1, SUSE-SU-2021:0133-1, SUSE-SU-2021:0158-1, SUSE-SU-2021:0347-1, SUSE-SU-2021:0348-1, SUSE-SU-2021:0427-1, SUSE-SU-2021:0433-1, SUSE-SU-2021:0434-1, SUSE-SU-2021:0438-1, SUSE-SU-2021:0743-1, SUSE-SU-2021:0744-1, USN-4694-1, USN-4707-1, USN-4708-1, USN-4709-1, USN-4713-1, USN-4713-2, USN-4753-1, USN-4901-1, VIGILANCE-VUL-34299.

Description of the vulnerability 

An attacker can trigger a memory corruption via Linux SCSI Target Offload Copy of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This vulnerability impacts software or systems such as Debian, Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security announce is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this computer vulnerability note.

Solutions for this threat 

Linux kernel: version 5.10.7.
The version 5.10.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.4.89.
The version 5.4.89 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.167.
The version 4.19.167 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.215.
The version 4.14.215 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.252.
The version 4.9.252 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.252.
The version 4.4.252 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: patch for Linux SCSI Target Offload Copy.
A patch is indicated in information sources.

Debian 10: new linux packages.
New packages are available:
  Debian 10: linux 4.19.171-2

Debian 9: new linux-4.19 packages.
New packages are available:
  Debian 9: linux-4.19 4.19.171-2~deb9u1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.258-1

Fedora 32-33: new kernel-headers packages.
New packages are available:
  Fedora 32: kernel-headers 5.10.7-100.fc32
  Fedora 33: kernel-headers 5.10.7-200.fc33

Fedora 32-33: new kernel packages.
New packages are available:
  Fedora 32: kernel 5.10.7-100.fc32
  Fedora 33: kernel 5.10.7-200.fc33

Fedora 33: new tcmu-runner packages.
New packages are available:
  Fedora 33: tcmu-runner 1.5.2-7.fc33

openSUSE Leap 15.1: new kernel packages (18/01/2021).
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.91.1

openSUSE Leap 15.1: new tcmu-runner packages.
New packages are available:
  openSUSE Leap 15.1: tcmu-runner 1.4.0-lp151.3.9.1

openSUSE Leap 15.2: new kernel packages (15/01/2021).
New packages are available:
  openSUSE Leap 15.2: kernel 5.3.18-lp152.60.1

openSUSE Leap 15.2: new tcmu-runner packages.
New packages are available:
  openSUSE Leap 15.2: tcmu-runner 1.5.2-lp152.2.3.1

RHEL 7.9: new kernel packages.
New packages are available:
  RHEL 7.9: kernel 3.10.0-1160.21.1.el7

RHEL 7.9: new kernel-rt packages.
New packages are available:
  RHEL 7.9: kernel-rt 3.10.0-1160.21.1.rt56.1158.el7

RHEL 7.9: new kpatch-patch packages.
New packages are available:
  RHEL 7.9: kpatch-patch 3_10_0-1160-1-3.el7

RHEL 8.3: new kernel packages.
New packages are available:
  RHEL 8.3: kernel 4.18.0-240.22.1.el8_3

RHEL 8.3: new kernel-rt packages.
New packages are available:
  RHEL 8.3: kernel-rt 4.18.0-240.22.1.rt7.77.el8_3

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.152.2

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.141.2

SUSE LE 12 SP4: new kernel packages.
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.68.1

SUSE LE 12 SP5: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.44.1

SUSE LE 12 SP5: new kernel packages (15/01/2021).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.57.1

SUSE LE 12 SP5: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.31.1

SUSE LE 15 RTM: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.66.1

SUSE LE 15 RTM-SP1: new tcmu-runner packages.
New packages are available:
  SUSE LE 15 RTM: tcmu-runner 1.4.0-3.9.1
  SUSE LE 15 SP1: tcmu-runner 1.4.0-3.9.1

SUSE LE 15 SP1: new kernel packages (14/01/2021).
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.78.1

SUSE LE 15 SP2: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP2: kernel-azure 5.3.18-18.35.2

SUSE LE 15 SP2: new kernel packages (14/01/2021).
New packages are available:
  SUSE LE 15 SP2: kernel 5.3.18-24.46.1

SUSE LE 15 SP2: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP2: kernel-rt 5.3.18-25.1

SUSE LE 15 SP2: new tcmu-runner packages.
New packages are available:
  SUSE LE 15 SP2: tcmu-runner 1.5.2-3.3.1

Ubuntu 12.04: new linux-image-3.13.0-185-generic packages.
New packages are available:
  Ubuntu 12.04 LTS: linux-image-3.13.0-185-generic 3.13.0-185.236~12.04.1

Ubuntu 20.04: new linux-image-5.10.0 packages.
New packages are available:
  Ubuntu 20.04 LTS: linux-image-oem-20.04b 5.10.0.1014.15

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.201.176
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.201.207

Ubuntu: new linux-image packages (15/01/2021).
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.200.175
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.200.206, linux-image-generic-hwe-16.04 4.15.0.132.130
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.132.119
  Ubuntu 20.04 LTS: linux-image-generic 5.4.0.62.65
  Ubuntu 20.10: linux-image-generic 5.8.0.38.42

Ubuntu: new linux-image packages (28/01/2021).
New packages are available:
  Ubuntu 20.10: linux-image-aws 5.8.0.1021.23, linux-image-azure 5.8.0.1020.20, linux-image-kvm 5.8.0.1016.18, linux-image-oracle 5.8.0.1018.18, linux-image-raspi 5.8.0.1013.16, linux-image-raspi-nolpae 5.8.0.1013.16
  Ubuntu 20.04 LTS: linux-image-aws 5.4.0.1037.38, linux-image-azure 5.4.0.1039.37, linux-image-gcp 5.4.0.1036.45, linux-image-kvm 5.4.0.1032.30, linux-image-oracle 5.4.0.1037.34
  Ubuntu 18.04 LTS: linux-image-aws 5.4.0.1037.21
  Ubuntu 14.04 ESM: linux-image-generic 3.13.0.184.193

Ubuntu: new tcmu packages.
New packages are available:
  Ubuntu 20.10: libtcmu2 1.5.2-5ubuntu0.20.10.1, tcmu-runner 1.5.2-5ubuntu0.20.10.1
  Ubuntu 20.04 LTS: libtcmu2 1.5.2-5ubuntu0.20.04.1, tcmu-runner 1.5.2-5ubuntu0.20.04.1
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