vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-18445): Linux kernel (AWS) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Oct 17, 2018 | Dec 7, 2018 | Jan 23, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Oct 17, 2018
Added
Dec 7, 2018
Modified
Jan 23, 2025
Description
In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.
Solution(s)
ubuntu-upgrade-linux-image-4-15-0-1026-gcpubuntu-upgrade-linux-image-4-15-0-1028-kvmubuntu-upgrade-linux-image-4-15-0-1030-oemubuntu-upgrade-linux-image-4-15-0-1030-raspi2ubuntu-upgrade-linux-image-4-15-0-1031-awsubuntu-upgrade-linux-image-4-15-0-1036-azureubuntu-upgrade-linux-image-4-15-0-43-genericubuntu-upgrade-linux-image-4-15-0-43-generic-lpaeubuntu-upgrade-linux-image-4-15-0-43-lowlatencyubuntu-upgrade-linux-image-4-15-0-43-snapdragonubuntu-upgrade-linux-image-4-18-0-1004-gcpubuntu-upgrade-linux-image-4-18-0-1005-kvmubuntu-upgrade-linux-image-4-18-0-1006-awsubuntu-upgrade-linux-image-4-18-0-1007-raspi2ubuntu-upgrade-linux-image-4-18-0-12-genericubuntu-upgrade-linux-image-4-18-0-12-generic-lpaeubuntu-upgrade-linux-image-4-18-0-12-lowlatencyubuntu-upgrade-linux-image-4-18-0-12-snapdragonubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon
References
- CVE-2018-18445
- https://attackerkb.com/topics/CVE-2018-18445
- NVD-CVE-2018-18445
- UBUNTU-USN-3776-1
- UBUNTU-USN-3776-2
- UBUNTU-USN-3797-1
- UBUNTU-USN-3797-2
- UBUNTU-USN-3832-1
- UBUNTU-USN-3835-1
- UBUNTU-USN-3846-1
- UBUNTU-USN-3847-1
- UBUNTU-USN-3847-2
- UBUNTU-USN-3847-3
- UBUNTU-USN-3848-1
- UBUNTU-USN-3848-2
- UBUNTU-USN-3849-1
- UBUNTU-USN-3849-2
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