VDB
CVE-2018-1093
CVE-2018-1093
PUBLISHED
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
EPSS 0.10% · 27.2th percentile
Risk Scores
EPSS Score
0.10%
27.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | linux-azure | 4.13.0-1012.15, 4.13.0-1009.12, 4.13.0-1007.9 |
| Ubuntu:Pro:20.04:LTS | linux-azure-fde-5.15 | 5.15.0-1052.60~20.04.1.1, 5.15.0-1089.98~20.04.1.1, 5.15.0-1088.97~20.04.1.1 |
| Ubuntu:16.04:LTS | linux-hwe | *, *, 4.8.0-53.56~16.04.1 |
| Ubuntu:20.04:LTS | linux-gke | 0, 5.4.0-1087.94, 5.4.0-1099.106 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | 0, 6.11.0-1008.8~24.04.1, 6.11.0-1012.12~24.04.1 |
| Ubuntu:18.04:LTS | linux | 4.15.0-23.25, 4.15.0-22.24, 4.15.0-20.21 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-36.41, 5.4.0-34.38, 0 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1001.1, 0, 4.15.0-1010.10 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1010.15, 4.4.0-1009.14, 4.4.0-1008.13 |
| Ubuntu:18.04:LTS | linux-raspi2 | 4.13.0-1005.5, 0, 4.13.0-1006.6 |
| Ubuntu:16.04:LTS | linux-gcp | 4.13.0-1006.9, 4.10.0-1009.9, 4.13.0-1013.17 |
| Ubuntu:14.04:LTS | linux-aws | 4.4.0-1009.9, 4.4.0-1019.19, 4.4.0-1022.22 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 0, 6.8.0-2019.20 |
| Ubuntu:16.04:LTS | linux | 4.4.0-119.143, 0, 4.2.0-16.19 |
| Ubuntu:18.04:LTS | linux-aws | 0, 4.15.0-1007.7, 4.15.0-1009.9 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1019.19, 4.15.0-1016.16, 4.15.0-1010.10 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1074.82, 0, 4.2.0-1013.19 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1076.81, 4.4.0-1063.68, 4.4.0-1059.63 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | 6.11.0-1016.17~24.04.1, 6.11.0-1009.10~24.04.1, 6.11.0-1011.12~24.04.1 |
| Ubuntu:18.04:LTS | linux-azure | 4.15.0-1018.18, 4.15.0-1021.21, 4.15.0-1014.14 |
…and 12 more
Timeline
- Apr 1, 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-2018-1093 third-party-advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199181 third-party-advisory
- https://ubuntu.com/security/notices/USN-3676-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3676-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-3752-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3752-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-3754-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3752-3 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1093 third-party-advisory