HOTFIX-SA-2021%3A0009

HOTFIX-SA-2021%3A0009 PUBLISHED CVSS 7.800000190734863 HIGH

Record from alibaba-cloud · Published July 21, 2021

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. The compat IPT_SO_SET_REPLACE/IP6T_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel allows local users to gain privileges or cause a denial of service (heap memory corruption) via user namespace. This vulnerability is very similar to CVE-2016-3134 (CVSSv3 8.4 High) and CVE-2016-4997 (CVSSv3 7.8 High).

Risk scores

CVSS 3.1

7.800000190734863

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Versions
Alibaba Cloud	kernel-hotfix-5928799-21.al7

Timeline

Jul 21, 2021 CVE Published
Jul 21, 2021 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln HOTFIX-SA-2021%3A0009
vulnetix vdb fixes HOTFIX-SA-2021%3A0009

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/HOTFIX-SA-2021%253A0009/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →