IBM PowerVM Hypervisor up to FW950.H3/FW1060.81/FW1110.31/FW1120.01 RTAS firmware-to-OS interface denial of service

Summaryinfo

A vulnerability, which was classified as problematic, has been found in IBM PowerVM Hypervisor up to FW950.H3/FW1060.81/FW1110.31/FW1120.01. The impacted element is an unknown function of the component RTAS firmware-to-OS interface. The manipulation leads to denial of service. This vulnerability is documented as CVE-2026-17413. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in IBM PowerVM Hypervisor up to FW950.H3/FW1060.81/FW1110.31/FW1120.01 and classified as problematic. This issue affects an unknown functionality of the component RTAS firmware-to-OS interface. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is integrity, and availability. The summary by CVE is:

IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the RTAS firmware-to-OS interface. An attacker with administrator-level (root) access to a logical partition can send a specially crafted request to partition firmware, causing the partition to crash and become unavailable. Other partitions on the same managed system are not affected.

The advisory is shared at ibm.com. The identification of this vulnerability is CVE-2026-17413 since 07/25/2026. The exploitation is known to be easy. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/24/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• IBM

Name

• PowerVM Hypervisor

Version

• FW950.H3
• FW1060.0
• FW1060.1
• FW1060.2
• FW1060.3
• FW1060.4
• FW1060.5
• FW1060.6
• FW1060.7
• FW1060.8
• FW1060.9
• FW1060.10
• FW1060.11
• FW1060.12
• FW1060.13
• FW1060.14
• FW1060.15
• FW1060.16
• FW1060.17
• FW1060.18
• FW1060.19
• FW1060.20
• FW1060.21
• FW1060.22
• FW1060.23
• FW1060.24
• FW1060.25
• FW1060.26
• FW1060.27
• FW1060.28
• FW1060.29
• FW1060.30
• FW1060.31
• FW1060.32
• FW1060.33
• FW1060.34
• FW1060.35
• FW1060.36
• FW1060.37
• FW1060.38
• FW1060.39
• FW1060.40
• FW1060.41
• FW1060.42
• FW1060.43
• FW1060.44
• FW1060.45
• FW1060.46
• FW1060.47
• FW1060.48
• FW1060.49
• FW1060.50
• FW1060.51
• FW1060.52
• FW1060.53
• FW1060.54
• FW1060.55
• FW1060.56
• FW1060.57
• FW1060.58
• FW1060.59
• FW1060.60
• FW1060.61
• FW1060.62
• FW1060.63
• FW1060.64
• FW1060.65
• FW1060.66
• FW1060.67
• FW1060.68
• FW1060.69
• FW1060.70
• FW1060.71
• FW1060.72
• FW1060.73
• FW1060.74
• FW1060.75
• FW1060.76
• FW1060.77
• FW1060.78
• FW1060.79
• FW1060.80
• FW1060.81
• FW1110.0
• FW1110.1
• FW1110.2
• FW1110.3
• FW1110.4
• FW1110.5
• FW1110.6
• FW1110.7
• FW1110.8
• FW1110.9
• FW1110.10
• FW1110.11
• FW1110.12
• FW1110.13
• FW1110.14
• FW1110.15
• FW1110.16
• FW1110.17
• FW1110.18
• FW1110.19
• FW1110.20
• FW1110.21
• FW1110.22
• FW1110.23
• FW1110.24
• FW1110.25
• FW1110.26
• FW1110.27
• FW1110.28
• FW1110.29
• FW1110.30
• FW1110.31
• FW1120.01

License

• commercial

Website

• Vendor: https://www.ibm.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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