The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade kernel | Apr 27, 2016 | Apr 27, 2016 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Apr 27, 2016 |
| Suse | — | Upgrade dlm-kmp-defaultUpgrade kernel-defaultUpgrade kernel-docsUpgrade gfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade cluster-network-kmp-default | Apr 12, 2016 | Apr 12, 2016 |
| Ubuntu | — | Upgrade linux-image-4.2.0-35-genericUpgrade linux-image-4.2.0-35-powerpc-smpUpgrade linux-image-4.2.0-1028-raspi2Upgrade linux-image-4.2.0-35-lowlatencyUpgrade linux-image-4.2.0-35-generic-lpaeUpgrade linux-image-4.2.0-35-powerpc64-embUpgrade linux-image-4.2.0-35-powerpc64-smpUpgrade linux-image-4.2.0-35-powerpc-e500mc | Apr 6, 2016 | Apr 6, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 27, 2016 |
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