VDB
CVE-2018-7757
CVE-2018-7757
PUBLISHED
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.
EPSS 0.12% · 31.1th percentile
Risk Scores
EPSS Score
0.12%
31.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | linux-lts-xenial | 4.4.0-101.124~14.04.1, 4.4.0-98.121~14.04.1, 4.4.0-97.120~14.04.1 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1011.12, 5.15.0-1019.22, 5.15.0-1028.32 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1008.13, 4.4.0-1004.9, 4.4.0-1007.12 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1001.10, 4.4.0-1003.12, 0 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 6.8.0-2019.20, 0 |
| Ubuntu:16.04:LTS | linux | 4.4.0-22.39, 4.4.0-15.31, 4.4.0-43.63 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-24.28, 5.4.0-26.30, 5.4.0-27.31 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1006.6, 0, 4.4.0-1003.3 |
| Ubuntu:14.04:LTS | linux | 3.13.0-65.106, 3.13.0-52.86, 3.13.0-36.63 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1054.61, 0, 4.2.0-1013.19 |
| Ubuntu:16.04:LTS | linux-hwe | 4.8.0-39.42~16.04.1, *, * |
| Ubuntu:16.04:LTS | linux-oem | 4.13.0-1026.29, 4.13.0-1030.33, 4.13.0-1024.27 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.4.0-1004.4, 5.3.0-1015.17, 5.3.0-1014.16 |
| Ubuntu:16.04:LTS | linux-gcp | 4.13.0-1002.5, 4.10.0-1004.4, 4.13.0-1011.15 |
| Ubuntu:16.04:LTS | linux-azure | 4.11.0-1014.14, 4.11.0-1009.9, 4.13.0-1012.15 |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
| Ubuntu:14.04:LTS | linux-aws | 4.4.0-1003.3, 4.4.0-1006.6, 4.4.0-1009.9 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1042.46, 4.4.0-1022.25, 4.4.0-1026.29 |
| Ubuntu:20.04:LTS | linux-azure-fde | *, *, 5.4.0-1100.106+cvm1.1 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1036.38, 5.4.0-1035.37, 5.4.0-1033.35 |
…and 1 more
Timeline
- Mar 8, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-7757 third-party-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 third-party-advisory
- https://ubuntu.com/security/notices/USN-3654-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3654-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-3656-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3697-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3697-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-3698-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3698-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-7757 third-party-advisory