CVE-2019-16714 — In the Linux kernel before 5

In the Linux kernel before 5.2.14, rds6_inc_info_copy in net/rds/recv.c allows attackers to obtain sensitive information from kernel stack memory because tos and flags fields are not initialized.

01What is this vulnerability?

In the Linux kernel before 5.2.14, rds6_inc_info_copy in net/rds/recv.c allows attackers to obtain sensitive information from kernel stack memory because tos and flags fields are not initialized.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-09-23T11:45:20.000Z
• Last modified: 2024-08-05T01:17:41.223Z

09References

• github.com — https://github.com/torvalds/linux/commit/7d0a06586b2686ba80c4a2da5f91cb10ffbea73…
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.14
• www.openwall.com — http://www.openwall.com/lists/oss-security/2019/09/24/2
• www.openwall.com — http://www.openwall.com/lists/oss-security/2019/09/25/1
• support.f5.com — https://support.f5.com/csp/article/K48351130?utm_source=f5support&amp%3Butm_medi…
• usn.ubuntu.com — https://usn.ubuntu.com/4157-1/
• usn.ubuntu.com — https://usn.ubuntu.com/4157-2/
• security.netapp.com — https://security.netapp.com/advisory/ntap-20191031-0005/