Upstream information
Description
The icmp_check_sysrq function in net/ipv4/icmp.c in the kernel.org projects/rt patches for the Linux kernel, as used in the kernel-rt package before 3.10.0-327.22.1 in Red Hat Enterprise Linux for Real Time 7 and other products, allows remote attackers to execute SysRq commands via crafted ICMP Echo Request packets, as demonstrated by a brute-force attack to discover a cookie, or an attack that occurs after reading the local icmp_echo_sysrq file.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
National Vulnerability Database | |
---|---|
Base Score | 6.8 |
Vector | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
National Vulnerability Database | |
---|---|
Base Score | 8.1 |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Access Vector | Network |
Access Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality Impact | High |
Integrity Impact | High |
Availability Impact | High |
CVSSv3 Version | 3 |
- SUSE-SU-2016:1764-1, published Fri, 8 Jul 2016 17:07:51 +0200 (CEST)
- SUSE-SU-2016:1937-1, published Tue, 2 Aug 2016 16:09:12 +0200 (CEST)
- SUSE-SU-2016:1985-1, published Mon, 8 Aug 2016 20:09:26 +0200 (CEST)
List of released packages
Product(s) | Fixed package version(s) | References |
---|---|---|
SUSE Linux Enterprise Real Time Extension 11 SP4 |
| Patchnames: slertesp4-linux-kernel-12681 |
SUSE Linux Enterprise Real Time Extension 12 SP1 |
| Patchnames: SUSE-SLE-RT-12-SP1-2016-1038 SUSE-SLE-RT-12-SP1-2016-1133 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
Product(s) | Source package | State |
---|---|---|
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-default | In progress |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-source | In progress |
SUSE Linux Enterprise Server 12 SP2 BCL | kernel-default | Already fixed |
SUSE Linux Enterprise Server 12 SP2 BCL | kernel-source | Already fixed |