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CVE-2019-19069

Status Candidate

Overview

A memory leak in the fastrpc_dma_buf_attach() function in drivers/misc/fastrpc.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering dma_get_sgtable() failures, aka CID-fc739a058d99.

Related Files

Ubuntu Security Notice USN-4208-1
Posted Dec 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4208-1 - Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel did not properly validate SSID lengths. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-15794, CVE-2019-17075, CVE-2019-17133, CVE-2019-18810, CVE-2019-19048, CVE-2019-19065, CVE-2019-19067, CVE-2019-19069, CVE-2019-19075, CVE-2019-19083
SHA-256 | d5691922a16d58d9a5c36957095d3c4c634522efb2e8beeeed67bae03127dd0b
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