Skip to content
OpenAdvisories
Unscored USN-5207-1 4 CVEs

linux-oem-5.10 vulnerabilities

Published Jan 5, 2022 · Updated Jun 3, 2026

Summary

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
contained a race condition around read-only maps. A privileged attacker
could use this to modify read-only maps. (CVE-2021-4001)

Luo Likang discovered that the FireDTV Firewire driver in the Linux kernel
did not properly perform bounds checking in some situations. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2021-42739)

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)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS linux-oem-5.10 5.10.0-1053.55

Vulnerabilities 4

References

  • report
    https://ubuntu.com/security/CVE-2021-4001
  • report
    https://ubuntu.com/security/CVE-2021-4002
  • report
    https://ubuntu.com/security/CVE-2021-42739
  • report
    https://ubuntu.com/security/CVE-2021-43267