Bug 2529847 (CVE-2026-86847) - CVE-2026-86847 dpdk: dpdk: Guest can trigger infinite loop in vhost-crypto writeback chain cleanup
Summary: CVE-2026-86847 dpdk: dpdk: Guest can trigger infinite loop in vhost-crypto wr...
Keywords:
Status: NEW
Alias: CVE-2026-86847
Deadline: 2026-12-08
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2552441 2552442
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-08 14:51 UTC by OSIDB Bzimport
Modified: 2026-10-14 16:03 UTC (History)
30 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-09-08 14:51:17 UTC 
A flaw was found in DPDK lib/vhost vhost-crypto. prepare_write_back_data() can fail after allocating a write-back node and before setting next to NULL. free_wb_data() then recurses on an uninitialized next pointer, which can hang or crash the host vhost-crypto process.
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