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Ubuntu Security Notice USN-4982-1

Posted Jun 4, 2021

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4982-1 - Kiyin 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. Kiyin 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol

systems | linux, ubuntu

advisories | CVE-2020-25670, CVE-2020-25673, CVE-2021-28688, CVE-2021-28950, CVE-2021-28964, CVE-2021-28971, CVE-2021-28972, CVE-2021-29264, CVE-2021-29647, CVE-2021-31916, CVE-2021-3483

SHA-256 | 30a5afa51a330465bbea0807650492fe79f27388cc8ee9ac30d0e02a89f6de63

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