USN-5218-1

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Source
https://ubuntu.com/security/notices/USN-5218-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-5218-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5218-1
Related
Published
2022-01-11T04:58:00.541351Z
Modified
2022-01-11T04:58:00.541351Z
Summary
linux-oem-5.13 vulnerabilities
Details

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. (CVE-2021-4002)

It was discovered that the eBPF implementation in the Linux kernel did not properly validate the memory size of certain ring buffer operation arguments. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-4204)

It was discovered that a race condition existed in the overlay file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-20321)

It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface (NCI) implementation. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-3760)

It was discovered that an integer overflow could be triggered in the eBPF implementation in the Linux kernel when preallocating objects for stack maps. A privileged local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-41864)

It was discovered that the KVM implementation for POWER8 processors in the Linux kernel did not properly keep track if a wakeup event could be resolved by a guest. An attacker in a guest VM could possibly use this to cause a denial of service (host OS crash). (CVE-2021-43056)

It was discovered that the TIPC Protocol implementation in the Linux kernel did not properly validate MSG_CRYPTO messages in some situations. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-43267)

It was discovered that the ISDN CAPI implementation in the Linux kernel contained a race condition in certain situations that could trigger an array out-of-bounds bug. A privileged local attacker could possibly use this to cause a denial of service or execute arbitrary code. (CVE-2021-43389)

References

Affected packages

Ubuntu:20.04:LTS / linux-oem-5.13

Package

Name
linux-oem-5.13

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.13.0-1026.32

Ecosystem specific

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "linux-tools-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-image-oem-20.04c": "5.13.0.1026.29",
            "linux-buildinfo-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-headers-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-oem-5.13-headers-5.13.0-1026": "5.13.0-1026.32",
            "linux-tools-oem-20.04c": "5.13.0.1026.29",
            "linux-image-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-image-unsigned-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-oem-20.04c": "5.13.0.1026.29",
            "linux-oem-5.13-tools-5.13.0-1026": "5.13.0-1026.32",
            "linux-modules-5.13.0-1026-oem": "5.13.0-1026.32",
            "linux-oem-5.13-tools-host": "5.13.0-1026.32",
            "linux-headers-oem-20.04c": "5.13.0.1026.29"
        }
    ]
}