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HistorySep 01, 2022 - 6:15 p.m.
CVE-2020-27784
linux kernel
vulnerability
printer instance
use-after-free
CVSS3
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0
Percentile
12.6%
A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().
Affected configurations
Node
linuxlinux_kernelRange4.1–4.4.241
ORlinuxlinux_kernelRange4.5–4.9.241
ORlinuxlinux_kernelRange4.10–4.19.154
ORlinuxlinux_kernelRange4.20–5.4.73
ORlinuxlinux_kernelRange5.5–5.8.17
ORlinuxlinux_kernelRange5.9.0–5.9.2
| Vendor | Product | Version | CPE |
|---|---|---|---|
| linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Related
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veracode
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cvelist
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2022-09-01 17:56:31
prion
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Design/Logic Flaw
2022-09-01 18:15:00
openvas
openvas
openSUSE: Security Advisory for the (SUSE-SU-2022:3264-1)
2022-09-15 00:00:00
SUSE: Security Advisory (SUSE-SU-2022:3264-1)
2022-09-15 00:00:00
Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2022-2848)
2022-12-22 00:00:00
suse
suse
Security update for the Linux Kernel (important)
2022-09-14 00:00:00
Security update for the Linux Kernel (important)
2022-10-18 00:00:00
Security update for the Linux Kernel (important)
2022-10-31 00:00:00
nessus
nessus
SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2022:3264-1)
2022-09-15 00:00:00
EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2023-1168)
2023-01-10 00:00:00
EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-2848)
2022-12-21 00:00:00
CVSS3
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0
Percentile
12.6%
Related for NVD:CVE-2020-27784