CVE-2026-64018
CVE CVE-2026-64018EUVD EUVD-2026-45591Published 2026-07-19T15:39:12.000ZLast changed 2026-08-05T12:38:15.000ZCVSS 9.3
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rx_req_idx to prevent out-of-bounds array access In mana_hwc_rx_event_handler(), rx_req_idx is derived from sge->address in DMA-coherent memory. In Confidential VMs (SEV-SNP/TDX), this memory is shared unencrypted and HW can modify WQE contents at any time. No bounds check exists on rx_req_idx, which can lead to an out-of-bounds access into reqs[]. Add bounds check on rx_req_idx in mana_hwc_rx_event_handler() before using it to index the reqs[] array.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 6.18.34; 5.13; patch: 6.12.92; patch: 7.1; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <fa627a5eaa83fc0261f44ef3769693b886ca6e27; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <763a372d344fb12fae566d36ddb46e92454ad58c; patch: 7.0.11; patch: 0; patch: 6.6.142; patch: 5.15.209; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <355e9f2b2a7887ca38100127989af3e422ba71d0; patch: 6.1.175; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <ff1d5af207bcea857d45fe81505f1bc4b29eaef0; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <01f7f893d5e1baae995beeb86cd0f3e6bb2a3b01; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <5ddc715324badd7f2641bc177db1d027b402adae; ca9c54d2d6a5ab2430c4eda364c77125d62e5e0f <b809d0409991b75a6cff846a5ac27c3062953f84
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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