KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.1.183, 6.6.151, 6.12.103, 6.18.44, 7.1.8
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airq_iv_create() can return NULL on failure, but the return value was never checked. If it fails, zdev->aibv will be NULL and fail when dereferenced in kvm_zpci_set_airq(). Add a NULL check and free the previously allocated AISB bit and zdev->aisb on failure.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in 96099486b63985801c9c6ef22505e9aa635b2d20; From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in 0a95abe964400771ad82b027d7b84a0d183cd0db; From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in df947d85e164a50a29d43a96e814f69ab1d0f7ed; From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in e137d082325bbcae780087b57501d38585e625d9; From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in d1a103dc9016c25e7423ce5841a5cc2df76d59f3; From 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc · fixed in 8bf09b9b7d3232806df95f409581f8a9fd99a3fa
- Linux Linux
6.0
- KernelLinux
From 6.0.0 · fixed in 6.1.183; From 6.2.0 · fixed in 6.6.151; From 6.7.0 · fixed in 6.12.103; From 6.13.0 · fixed in 6.18.44; From 6.19.0 · fixed in 7.1.8