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[USN-4999-1] Linux kernel vulnerabilities

Severity High
Affected Packages 55
CVEs 17
Info Packages Vulnerabilities

Several security issues were fixed in the Linux kernel.

Norbert Slusarek discovered a race condition in the CAN BCM networking
protocol of the Linux kernel leading to multiple use-after-free
vulnerabilities. A local attacker could use this issue to execute arbitrary
code. (CVE-2021-3609)

Piotr Krysiuk discovered that the eBPF implementation in the Linux kernel
did not properly enforce limits for pointer operations. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2021-33200)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation did
not properly clear received fragments from memory in some situations. A
physically proximate attacker could possibly use this issue to inject
packets or expose sensitive information. (CVE-2020-24586)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation
incorrectly handled encrypted fragments. A physically proximate attacker
could possibly use this issue to decrypt fragments. (CVE-2020-24587)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation
incorrectly handled certain malformed frames. If a user were tricked into
connecting to a malicious server, a physically proximate attacker could use
this issue to inject packets. (CVE-2020-24588)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the
Linux kernel contained a reference counting error. A local attacker could
use this to cause a denial of service (system crash). (CVE-2020-25670)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the
Linux kernel did not properly deallocate memory in certain error
situations. A local attacker could use this to cause a denial of service
(memory exhaustion). (CVE-2020-25671, CVE-2020-25672)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the
Linux kernel did not properly handle error conditions in some situations,
leading to an infinite loop. A local attacker could use this to cause a
denial of service. (CVE-2020-25673)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation
incorrectly handled EAPOL frames from unauthenticated senders. A physically
proximate attacker could inject malicious packets to cause a denial of
service (system crash). (CVE-2020-26139)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation did
not properly verify certain fragmented frames. A physically proximate
attacker could possibly use this issue to inject or decrypt packets.
(CVE-2020-26141)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation
accepted plaintext fragments in certain situations. A physically proximate
attacker could use this issue to inject packets. (CVE-2020-26145)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation could
reassemble mixed encrypted and plaintext fragments. A physically proximate
attacker could possibly use this issue to inject packets or exfiltrate
selected fragments. (CVE-2020-26147)

Or Cohen discovered that the SCTP implementation in the Linux kernel
contained a race condition in some situations, leading to a use-after-free
condition. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2021-23133)

Piotr Krysiuk and Benedict Schlueter discovered that the eBPF
implementation in the Linux kernel performed out of bounds speculation on
pointer arithmetic. A local attacker could use this to expose sensitive
information. (CVE-2021-29155)

Manfred Paul discovered that the extended Berkeley Packet Filter (eBPF)
implementation in the Linux kernel contained an out-of-bounds
vulnerability. A local attacker could use this issue to execute arbitrary
code. (CVE-2021-31440)

Piotr Krysiuk discovered that the eBPF implementation in the Linux kernel
did not properly prevent speculative loads in certain situations. A local
attacker could use this to expose sensitive information (kernel memory).
(CVE-2021-31829)

Package Affected Version
pkg:deb/ubuntu/linux-image-virtual?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-virtual-hwe-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-virtual-hwe-20.04?distro=focal < 5.8.0.59.66~20.04.42
pkg:deb/ubuntu/linux-image-virtual-hwe-20.04-edge?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-raspi?distro=groovy < 5.8.0.1029.31
pkg:deb/ubuntu/linux-image-raspi-nolpae?distro=groovy < 5.8.0.1029.31
pkg:deb/ubuntu/linux-image-oracle?distro=groovy < 5.8.0.1033.32
pkg:deb/ubuntu/linux-image-oracle?distro=focal < 5.8.0.1033.34~20.04.9
pkg:deb/ubuntu/linux-image-oracle-edge?distro=focal < 5.8.0.1033.34~20.04.9
pkg:deb/ubuntu/linux-image-oem-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-lowlatency?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04?distro=focal < 5.8.0.59.66~20.04.42
pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04-edge?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-kvm?distro=groovy < 5.8.0.1030.32
pkg:deb/ubuntu/linux-image-gke?distro=groovy < 5.8.0.1035.35
pkg:deb/ubuntu/linux-image-generic?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-lpae?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04?distro=focal < 5.8.0.59.66~20.04.42
pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04-edge?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-hwe-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-hwe-20.04?distro=focal < 5.8.0.59.66~20.04.42
pkg:deb/ubuntu/linux-image-generic-hwe-20.04-edge?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-64k?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04?distro=focal < 5.8.0.59.66~20.04.42
pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04-edge?distro=groovy < 5.8.0.59.64
pkg:deb/ubuntu/linux-image-gcp?distro=groovy < 5.8.0.1035.35
pkg:deb/ubuntu/linux-image-gcp?distro=focal < 5.8.0.1035.37~20.04.9
pkg:deb/ubuntu/linux-image-gcp-edge?distro=focal < 5.8.0.1035.37~20.04.9
pkg:deb/ubuntu/linux-image-azure?distro=groovy < 5.8.0.1036.36
pkg:deb/ubuntu/linux-image-azure?distro=focal < 5.8.0.1036.38~20.04.8
pkg:deb/ubuntu/linux-image-azure-edge?distro=focal < 5.8.0.1036.38~20.04.8
pkg:deb/ubuntu/linux-image-aws?distro=groovy < 5.8.0.1038.40
pkg:deb/ubuntu/linux-image-aws?distro=focal < 5.8.0.1038.40~20.04.11
pkg:deb/ubuntu/linux-image-5.8.0-59-lowlatency?distro=groovy < 5.8.0-59.66
pkg:deb/ubuntu/linux-image-5.8.0-59-lowlatency?distro=focal < 5.8.0-59.66~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-59-generic?distro=groovy < 5.8.0-59.66
pkg:deb/ubuntu/linux-image-5.8.0-59-generic?distro=focal < 5.8.0-59.66~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-59-generic-lpae?distro=groovy < 5.8.0-59.66
pkg:deb/ubuntu/linux-image-5.8.0-59-generic-lpae?distro=focal < 5.8.0-59.66~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-59-generic-64k?distro=groovy < 5.8.0-59.66
pkg:deb/ubuntu/linux-image-5.8.0-59-generic-64k?distro=focal < 5.8.0-59.66~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-1038-aws?distro=groovy < 5.8.0-1038.40
pkg:deb/ubuntu/linux-image-5.8.0-1038-aws?distro=focal < 5.8.0-1038.40~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-1036-azure?distro=groovy < 5.8.0-1036.38
pkg:deb/ubuntu/linux-image-5.8.0-1036-azure?distro=focal < 5.8.0-1036.38~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-1035-gcp?distro=groovy < 5.8.0-1035.37
pkg:deb/ubuntu/linux-image-5.8.0-1035-gcp?distro=focal < 5.8.0-1035.37~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-1033-oracle?distro=groovy < 5.8.0-1033.34
pkg:deb/ubuntu/linux-image-5.8.0-1033-oracle?distro=focal < 5.8.0-1033.34~20.04.1
pkg:deb/ubuntu/linux-image-5.8.0-1030-kvm?distro=groovy < 5.8.0-1030.32
pkg:deb/ubuntu/linux-image-5.8.0-1029-raspi?distro=groovy < 5.8.0-1029.32
pkg:deb/ubuntu/linux-image-5.8.0-1029-raspi-nolpae?distro=groovy < 5.8.0-1029.32
ID
USN-4999-1
Severity
high
URL
https://ubuntu.com/security/notices/USN-4999-1
Published
2021-06-23T02:52:44
(3 years ago)
Modified
2021-06-23T02:52:44
(3 years ago)
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:deb/ubuntu/linux-image-virtual?distro=groovy ubuntu linux-image-virtual < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-virtual-hwe-20.04?distro=groovy ubuntu linux-image-virtual-hwe-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-virtual-hwe-20.04?distro=focal ubuntu linux-image-virtual-hwe-20.04 < 5.8.0.59.66~20.04.42 focal
Affected pkg:deb/ubuntu/linux-image-virtual-hwe-20.04-edge?distro=groovy ubuntu linux-image-virtual-hwe-20.04-edge < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-raspi?distro=groovy ubuntu linux-image-raspi < 5.8.0.1029.31 groovy
Affected pkg:deb/ubuntu/linux-image-raspi-nolpae?distro=groovy ubuntu linux-image-raspi-nolpae < 5.8.0.1029.31 groovy
Affected pkg:deb/ubuntu/linux-image-oracle?distro=groovy ubuntu linux-image-oracle < 5.8.0.1033.32 groovy
Affected pkg:deb/ubuntu/linux-image-oracle?distro=focal ubuntu linux-image-oracle < 5.8.0.1033.34~20.04.9 focal
Affected pkg:deb/ubuntu/linux-image-oracle-edge?distro=focal ubuntu linux-image-oracle-edge < 5.8.0.1033.34~20.04.9 focal
Affected pkg:deb/ubuntu/linux-image-oem-20.04?distro=groovy ubuntu linux-image-oem-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-lowlatency?distro=groovy ubuntu linux-image-lowlatency < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04?distro=groovy ubuntu linux-image-lowlatency-hwe-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04?distro=focal ubuntu linux-image-lowlatency-hwe-20.04 < 5.8.0.59.66~20.04.42 focal
Affected pkg:deb/ubuntu/linux-image-lowlatency-hwe-20.04-edge?distro=groovy ubuntu linux-image-lowlatency-hwe-20.04-edge < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-kvm?distro=groovy ubuntu linux-image-kvm < 5.8.0.1030.32 groovy
Affected pkg:deb/ubuntu/linux-image-gke?distro=groovy ubuntu linux-image-gke < 5.8.0.1035.35 groovy
Affected pkg:deb/ubuntu/linux-image-generic?distro=groovy ubuntu linux-image-generic < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-lpae?distro=groovy ubuntu linux-image-generic-lpae < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04?distro=groovy ubuntu linux-image-generic-lpae-hwe-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04?distro=focal ubuntu linux-image-generic-lpae-hwe-20.04 < 5.8.0.59.66~20.04.42 focal
Affected pkg:deb/ubuntu/linux-image-generic-lpae-hwe-20.04-edge?distro=groovy ubuntu linux-image-generic-lpae-hwe-20.04-edge < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-hwe-20.04?distro=groovy ubuntu linux-image-generic-hwe-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-hwe-20.04?distro=focal ubuntu linux-image-generic-hwe-20.04 < 5.8.0.59.66~20.04.42 focal
Affected pkg:deb/ubuntu/linux-image-generic-hwe-20.04-edge?distro=groovy ubuntu linux-image-generic-hwe-20.04-edge < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-64k?distro=groovy ubuntu linux-image-generic-64k < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04?distro=groovy ubuntu linux-image-generic-64k-hwe-20.04 < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04?distro=focal ubuntu linux-image-generic-64k-hwe-20.04 < 5.8.0.59.66~20.04.42 focal
Affected pkg:deb/ubuntu/linux-image-generic-64k-hwe-20.04-edge?distro=groovy ubuntu linux-image-generic-64k-hwe-20.04-edge < 5.8.0.59.64 groovy
Affected pkg:deb/ubuntu/linux-image-gcp?distro=groovy ubuntu linux-image-gcp < 5.8.0.1035.35 groovy
Affected pkg:deb/ubuntu/linux-image-gcp?distro=focal ubuntu linux-image-gcp < 5.8.0.1035.37~20.04.9 focal
Affected pkg:deb/ubuntu/linux-image-gcp-edge?distro=focal ubuntu linux-image-gcp-edge < 5.8.0.1035.37~20.04.9 focal
Affected pkg:deb/ubuntu/linux-image-azure?distro=groovy ubuntu linux-image-azure < 5.8.0.1036.36 groovy
Affected pkg:deb/ubuntu/linux-image-azure?distro=focal ubuntu linux-image-azure < 5.8.0.1036.38~20.04.8 focal
Affected pkg:deb/ubuntu/linux-image-azure-edge?distro=focal ubuntu linux-image-azure-edge < 5.8.0.1036.38~20.04.8 focal
Affected pkg:deb/ubuntu/linux-image-aws?distro=groovy ubuntu linux-image-aws < 5.8.0.1038.40 groovy
Affected pkg:deb/ubuntu/linux-image-aws?distro=focal ubuntu linux-image-aws < 5.8.0.1038.40~20.04.11 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-lowlatency?distro=groovy ubuntu linux-image-5.8.0-59-lowlatency < 5.8.0-59.66 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-lowlatency?distro=focal ubuntu linux-image-5.8.0-59-lowlatency < 5.8.0-59.66~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic?distro=groovy ubuntu linux-image-5.8.0-59-generic < 5.8.0-59.66 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic?distro=focal ubuntu linux-image-5.8.0-59-generic < 5.8.0-59.66~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic-lpae?distro=groovy ubuntu linux-image-5.8.0-59-generic-lpae < 5.8.0-59.66 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic-lpae?distro=focal ubuntu linux-image-5.8.0-59-generic-lpae < 5.8.0-59.66~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic-64k?distro=groovy ubuntu linux-image-5.8.0-59-generic-64k < 5.8.0-59.66 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-59-generic-64k?distro=focal ubuntu linux-image-5.8.0-59-generic-64k < 5.8.0-59.66~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-1038-aws?distro=groovy ubuntu linux-image-5.8.0-1038-aws < 5.8.0-1038.40 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1038-aws?distro=focal ubuntu linux-image-5.8.0-1038-aws < 5.8.0-1038.40~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-1036-azure?distro=groovy ubuntu linux-image-5.8.0-1036-azure < 5.8.0-1036.38 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1036-azure?distro=focal ubuntu linux-image-5.8.0-1036-azure < 5.8.0-1036.38~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-1035-gcp?distro=groovy ubuntu linux-image-5.8.0-1035-gcp < 5.8.0-1035.37 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1035-gcp?distro=focal ubuntu linux-image-5.8.0-1035-gcp < 5.8.0-1035.37~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-1033-oracle?distro=groovy ubuntu linux-image-5.8.0-1033-oracle < 5.8.0-1033.34 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1033-oracle?distro=focal ubuntu linux-image-5.8.0-1033-oracle < 5.8.0-1033.34~20.04.1 focal
Affected pkg:deb/ubuntu/linux-image-5.8.0-1030-kvm?distro=groovy ubuntu linux-image-5.8.0-1030-kvm < 5.8.0-1030.32 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1029-raspi?distro=groovy ubuntu linux-image-5.8.0-1029-raspi < 5.8.0-1029.32 groovy
Affected pkg:deb/ubuntu/linux-image-5.8.0-1029-raspi-nolpae?distro=groovy ubuntu linux-image-5.8.0-1029-raspi-nolpae < 5.8.0-1029.32 groovy
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date