CVE-2021-47153

EUVD-2021-33801
In the Linux kernel, the following vulnerability has been resolved:

i2c: i801: Don't generate an interrupt on bus reset

Now that the i2c-i801 driver supports interrupts, setting the KILL bit
in a attempt to recover from a timed out transaction triggers an
interrupt. Unfortunately, the interrupt handler (i801_isr) is not
prepared for this situation and will try to process the interrupt as
if it was signaling the end of a successful transaction. In the case
of a block transaction, this can result in an out-of-range memory
access.

This condition was reproduced several times by syzbot:
https://syzkaller.appspot.com/bug?extid=ed71512d469895b5b34e
https://syzkaller.appspot.com/bug?extid=8c8dedc0ba9e03f6c79e
https://syzkaller.appspot.com/bug?extid=c8ff0b6d6c73d81b610e
https://syzkaller.appspot.com/bug?extid=33f6c360821c399d69eb
https://syzkaller.appspot.com/bug?extid=be15dc0b1933f04b043a
https://syzkaller.appspot.com/bug?extid=b4d3fd1dfd53e90afd79

So disable interrupts while trying to reset the bus. Interrupts will
be enabled again for the following transaction.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CISA-ADPADP
6 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.6 ≤
𝑥
< 4.4.271
linuxlinux_kernel
4.5 ≤
𝑥
< 4.9.271
linuxlinux_kernel
4.10 ≤
𝑥
< 4.14.235
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.193
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.124
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.42
linuxlinux_kernel
5.11 ≤
𝑥
< 5.12.9
linuxlinux_kernel
5.13:rc1
linuxlinux_kernel
5.13:rc2
linuxlinux_kernel
5.13:rc3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
pending
focal
Fixed 5.4.0-80.90
released
jammy
not-affected
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
ignored
linux-allwinner-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-aws
bionic
pending
focal
Fixed 5.4.0-1054.57
released
jammy
not-affected
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
ignored
linux-aws-5.0
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-aws-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-aws-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-aws-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-aws-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-aws-5.3
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-aws-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-aws-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-aws-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-aws-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-aws-fips
bionic
dne
focal
dne
jammy
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
linux-aws-hwe
focal
dne
jammy
dne
mantic
dne
noble
dne
xenial
Fixed 4.15.0-1109.116~16.04.1
released
linux-azure
bionic
ignored
focal
Fixed 5.4.0-1055.57
released
jammy
not-affected
mantic
not-affected
noble
not-affected
trusty
Fixed 4.15.0-1121.134~14.04.1
released
xenial
Fixed 4.15.0-1121.134~16.04.1
released
linux-azure-4.15
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-azure-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-azure-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-azure-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-azure-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-azure-5.3
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-azure-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-azure-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-azure-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-azure-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-azure-edge
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-azure-fde
focal
ignored
jammy
not-affected
mantic
dne
noble
dne
linux-azure-fde-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-azure-fde-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-azure-fde-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-azure-fips
bionic
dne
focal
dne
jammy
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
linux-bluefield
focal
Fixed 5.4.0-1016.19
released
jammy
dne
mantic
dne
noble
dne
linux-fips
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gcp
bionic
ignored
focal
Fixed 5.4.0-1049.53
released
jammy
not-affected
mantic
not-affected
noble
not-affected
xenial
Fixed 4.15.0-1106.120~16.04.1
released
linux-gcp-4.15
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-gcp-5.3
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gcp-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-gcp-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-gcp-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-gcp-fips
bionic
dne
focal
dne
jammy
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
linux-gke
focal
ignored
jammy
not-affected
mantic
dne
noble
not-affected
linux-gke-4.15
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gke-5.15
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-gke-5.4
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-gkeop
focal
Fixed 5.4.0-1021.22
released
jammy
not-affected
mantic
dne
noble
dne
linux-gkeop-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-gkeop-5.4
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-hwe
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
xenial
Fixed 4.15.0-151.157~16.04.1
released
linux-hwe-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-hwe-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-hwe-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-hwe-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-hwe-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-hwe-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-hwe-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-hwe-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-hwe-6.8
bionic
dne
focal
dne
jammy
not-affected
noble
dne
trusty
dne
xenial
dne
linux-hwe-edge
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
xenial
ignored
linux-ibm
focal
not-affected
jammy
not-affected
mantic
ignored
noble
not-affected
linux-ibm-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-ibm-5.4
bionic
not-affected
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-intel
bionic
dne
focal
dne
jammy
dne
mantic
dne
noble
not-affected
trusty
dne
xenial
dne
linux-intel-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-intel-iot-realtime
bionic
dne
focal
dne
jammy
dne
noble
dne
trusty
dne
xenial
dne
linux-intel-iotg
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-intel-iotg-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-iot
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-kvm
bionic
pending
focal
Fixed 5.4.0-1044.46
released
jammy
not-affected
mantic
dne
noble
dne
xenial
ignored
linux-laptop
focal
dne
jammy
dne
mantic
not-affected
noble
dne
linux-lowlatency
focal
dne
jammy
not-affected
mantic
not-affected
noble
not-affected
linux-lowlatency-hwe-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-lowlatency-hwe-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-lowlatency-hwe-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-lowlatency-hwe-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-lowlatency-hwe-6.8
bionic
dne
focal
dne
jammy
not-affected
noble
dne
trusty
dne
xenial
dne
linux-lts-xenial
focal
dne
jammy
dne
mantic
dne
noble
dne
trusty
ignored
linux-nvidia
focal
dne
jammy
not-affected
mantic
dne
noble
not-affected
linux-nvidia-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-nvidia-6.5
bionic
dne
focal
dne
jammy
not-affected
mantic
dne
noble
dne
trusty
dne
xenial
dne
linux-nvidia-6.8
bionic
dne
focal
dne
jammy
not-affected
noble
dne
trusty
dne
xenial
dne
linux-nvidia-lowlatency
bionic
dne
focal
dne
jammy
dne
noble
not-affected
trusty
dne
xenial
dne
linux-oem
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-oem-5.10
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oem-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oem-5.14
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oem-5.17
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-oem-5.6
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oem-6.0
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-oem-6.1
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-oem-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-oem-6.8
bionic
dne
focal
dne
jammy
dne
mantic
dne
noble
not-affected
trusty
dne
xenial
dne
linux-oracle
bionic
pending
focal
Fixed 5.4.0-1052.56
released
jammy
not-affected
mantic
not-affected
noble
not-affected
xenial
Fixed 4.15.0-1078.86~16.04.1
released
linux-oracle-5.0
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.13
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.3
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-oracle-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-oracle-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-raspi
focal
Fixed 5.4.0-1041.45
released
jammy
not-affected
mantic
not-affected
noble
not-affected
linux-raspi-5.4
bionic
pending
focal
dne
jammy
dne
mantic
dne
noble
dne
linux-raspi-realtime
bionic
dne
focal
dne
jammy
dne
noble
dne
trusty
dne
xenial
dne
linux-raspi2
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-realtime
bionic
dne
focal
dne
jammy
ignored
noble
dne
trusty
dne
xenial
dne
linux-riscv
focal
ignored
jammy
ignored
mantic
not-affected
noble
not-affected
linux-riscv-5.11
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-riscv-5.15
focal
not-affected
jammy
dne
mantic
dne
noble
dne
linux-riscv-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-riscv-5.8
focal
ignored
jammy
dne
mantic
dne
noble
dne
linux-riscv-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-riscv-6.8
bionic
dne
focal
dne
jammy
not-affected
noble
dne
trusty
dne
xenial
dne
linux-starfive
focal
dne
jammy
dne
mantic
not-affected
noble
dne
linux-starfive-5.19
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-starfive-6.2
focal
dne
jammy
ignored
mantic
dne
noble
dne
linux-starfive-6.5
focal
dne
jammy
not-affected
mantic
dne
noble
dne
linux-xilinx-zynqmp
focal
not-affected
jammy
not-affected
mantic
dne
noble
dne