CVE-2018-19854

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Summary

CVECVE-2018-19854
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-12-04 16:29:00 UTC
Updated2019-11-06 01:15:00 UTC
DescriptionAn issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
USN-3872-1: Linux kernel (HWE) vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com
USN-3901-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
USN-3901-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3 MISC kernel.org Vendor Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Vendor Advisory
USN-3878-2: Linux kernel (Azure) vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
crypto: user - fix leaking uninitialized memory to userspace · torvalds/linux@f43f399 · GitHub MISC github.com Patch, Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com
USN-3878-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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