Description
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- debian / debian_linux9.0 – 9.0
- debian / debian_linux10.0 – 10.0
- fedoraproject / fedora33 – 33
- fedoraproject / fedora34 – 34
- fedoraproject / fedora35 – 35
- Linux / Linux kernel4.6 – 4.9.287
- NETAPP / cloud_backup
- NETAPP / h300e_firmware
- NETAPP / h300s_firmware
- NETAPP / h410c_firmware
- NETAPP / h410s_firmware
- NETAPP / h500e_firmware
- NETAPP / h500s_firmware
- NETAPP / h700e_firmware
- NETAPP / h700s_firmware
- NETAPP / hci_management_node
- NETAPP / solidfire
- NETAPP / solidfire_baseboard_management_controller_firmware
References
- MISChttps://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a
- PATCHhttps://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- MISChttps://security.netapp.com/advisory/ntap-20211029-0004/
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- MISChttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- VENDOR_ADVISORYhttps://www.debian.org/security/2022/dsa-5096
Updated 20m ago · 8 sources