Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel allows local users to cause a denial of service (kernel memory exhaustion) via multiple read accesses to files in the /sys/class/sas_phy directory.
Find out more about CVE-2018-7757 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS3 Base Score | 5.5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | High |
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (kernel-alt) | RHSA-2018:2948 | 2018-10-30 |
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) | RHSA-2018:3096 | 2018-10-30 |
Red Hat Enterprise Linux 7 (kernel) | RHSA-2018:3083 | 2018-10-30 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
Red Hat Enterprise Linux 6 | kernel | Affected |
Red Hat Enterprise Linux 5 | kernel | Will not fix |