CVE-2018-5332
HIGH
7.8
CVSS Score
Published: January 11, 2018 at 07:00 AM UTC
Updated: June 17, 2026 at 02:00 AM UTC
3 products affected across 3 vendorsLinux KernelDebian LinuxUbuntu Linux
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 3.2.993.17 ≤ v < 3.18.923.19 ≤ v < 4.1.503.3 ≤ v < 3.16.544.10 ≤ v < 4.14.444.2 ≤ v < 4.4.1124.5 ≤ v < 4.9.77
Affected range stops below 3.16.54, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.92, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.99, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.50, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.14.44, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.112, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.77, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17c
- https://access.redhat.com/errata/RHSA-2018:0470
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124e
- https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17c
- https://usn.ubuntu.com/3617-1/
References (15)
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17cVDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/102507Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:0470x_refsource_CONFIRMMailing ListPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124ex_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17cMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3617-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3617-2/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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