Vulnerability Description
In the Linux kernel through 3.2, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size function in net/rds/rdma.c).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.2.99 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c09550PatchVendor Advisory
- http://www.securityfocus.com/bid/102507Broken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0470Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efMailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3617-1/Third Party Advisory
- https://usn.ubuntu.com/3617-2/Third Party Advisory
- https://usn.ubuntu.com/3617-3/Third Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3620-1/Third Party Advisory
- https://usn.ubuntu.com/3620-2/Third Party Advisory
- https://usn.ubuntu.com/3632-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
FAQ
What is CVE-2018-5332?
CVE-2018-5332 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel through 3.2, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds...
How severe is CVE-2018-5332?
CVE-2018-5332 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5332?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux.