CVE-2019-19050 json
A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat.c in the Linux kernel through 5.3.11 allows attackers to cause…
published 6y ago modified 4mo ago also EUVD-2019-8689
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.1%
- EPSS 5.1% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering crypto_reportstat_alg() failures, aka CID-c03b04dcdba1.
Patch / fix
- linux linux_kernel 5.3.16, 5.4.3
- linux Debian 14, Debian 13, Debian 12 5.4.6-1
debian advisories DEBIAN-CVE-2019-19050
- linux-gcp Ubuntu 18.04 LTS 5.0.0-1029.30~18.04.1
- linux-hwe Ubuntu 18.04 LTS 5.3.0-40.32~18.04.1
- linux-azure Ubuntu 18.04 LTS 5.0.0-1029.31~18.04.1
- linux-aws-5.0 Ubuntu 18.04 LTS 5.0.0-1024.27~18.04.1
- linux-gcp-5.3 Ubuntu 18.04 LTS 5.3.0-1012.13~18.04.1
- linux-gke-5.0 Ubuntu 18.04 LTS 5.0.0-1029.30~18.04.1
- linux-gke-5.3 Ubuntu 18.04 LTS 5.3.0-1012.13~18.04.1
- linux-oem-osp1 Ubuntu 18.04 LTS 5.0.0-1037.42
ubuntu advisories UBUNTU-CVE-2019-19050
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2019-19050 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-19050 updated cvss 6.2
kernel: dos in crypto_reportstat() function in crypto/crypto_user_stat.c
-
Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise MRG 2 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
5.08% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
- Technology feeds
References
-
github.com
/torvalds/linux/commit/c03b04dcdba1da39903e23cc4d072abf8f68f2dd
patch, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
vendor-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
vendor-advisory
-
usn.ubuntu.com
/4258-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4284-1/
vendor-advisory, third-party-advisory
-
security.netapp.com
/advisory/ntap-20191205-0001/
third-party-advisory
-
packetstormsecurity.com
/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2019-19050
- NVD CVE-2019-19050
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.