CVE-2017-15128: Buffer Overflow
First published: Tue Dec 12 2017(Updated: )
A flaw was found in Linux kernel. A lack of size check in hugetlb_mcopy_atomic_pte could cause denial of service. Upstream patch: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df</a> References: <a href="https://marc.info/?l=linux-mm&m=150819356125109">https://marc.info/?l=linux-mm&m=150819356125109</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.13.11 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Mrg | =2.0 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df
- https://marc.info/?l=linux-mm&m=150819356125109
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1545043
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1545044
- https://bugzilla.redhat.com/show_bug.cgi?id=1525222
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df
- https://access.redhat.com/security/cve/CVE-2017-15128
- https://github.com/torvalds/linux/commit/1e3921471354244f70fe268586ff94a97a6dd4df
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.12
Frequently Asked Questions
What is CVE-2017-15128?
CVE-2017-15128 is a vulnerability that was found in the hugetlb_mcopy_atomic_pte function in the Linux kernel before 4.13.12.
What is the severity of CVE-2017-15128?
The severity of CVE-2017-15128 is medium, with a severity value of 5.5.
How does CVE-2017-15128 affect the Linux kernel?
CVE-2017-15128 can cause a denial of service (BUG) due to a lack of size check in the hugetlb_mcopy_atomic_pte function.
Which software versions are affected by CVE-2017-15128?
Linux kernel versions before 4.13.12, Redhat Enterprise Linux 7.0, and Redhat Enterprise MRG 2.0 are affected by CVE-2017-15128.
How can I fix CVE-2017-15128?
To fix CVE-2017-15128, update your Linux kernel to version 4.13.12 or higher.
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