Resource Exhaustion Affecting kernel package, versions <0:3.10.0-957.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNEL-4900871
- published 26 Jul 2021
- disclosed 8 Mar 2018
Introduced: 8 Mar 2018
CVE-2018-7757 Open this link in a new tabHow to fix?
Upgrade RHEL:7
kernel
to version 0:3.10.0-957.el7 or higher.
This issue was patched in RHSA-2018:3083
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel
package and not the kernel
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.
References
- http://www.securityfocus.com/bid/103348
- https://access.redhat.com/security/cve/CVE-2018-7757
- https://www.debian.org/security/2018/dsa-4187
- https://www.debian.org/security/2018/dsa-4188
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
- https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:3083
- https://usn.ubuntu.com/3654-1/
- https://usn.ubuntu.com/3654-2/
- https://usn.ubuntu.com/3656-1/
- https://usn.ubuntu.com/3697-1/
- https://usn.ubuntu.com/3697-2/
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/