Use of Uninitialized Resource The advisory has been revoked - it doesn't affect any version of package rv (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-RV-18141106
- published22 Jul 2026
- disclosed19 Jul 2026
Introduced: 19 Jul 2026
NewCVE-2026-64088 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: tt: fix negative tt_buff_len
batadv_orig_node::tt_buff_len was declared as s16, but the field is never intended to hold a negative value. When a value greater than 32767 is assigned, it wraps to a negative signed integer.
In batadv_send_other_tt_response(), tt_buff_len is temporarily widened to s32. The incorrectly negative s16 value propagates into the s32, causing batadv_tt_prepare_tvlv_global_data() to allocate a full sized buffer but populates only a small portion of it with the collected changeset. All remaining bits are kept uninitialized.
Using an u16 avoids this type confusion and ensures that no (negative) sign extension is performed in batadv_send_other_tt_response().
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2502503
- https://access.redhat.com/security/cve/CVE-2026-64088
- https://git.kernel.org/stable/c/32edd2a28e112064020a2f319a8cb8a9e5a09767
- https://git.kernel.org/stable/c/33e5ede7ce6d92e531920d4bbd6d3e18ef1c6430
- https://git.kernel.org/stable/c/3c96dff00998314983b68a3e7caac07a66ebe496
- https://git.kernel.org/stable/c/4c4c2f340f4c27373bfcac8dc5032ce7bb474e47
- https://git.kernel.org/stable/c/4dab98961426d0cf6a1599cda6950b7596ca2fcd
- https://git.kernel.org/stable/c/730de8733dd90f70d7580a9b329b971f8e1474a2
- https://git.kernel.org/stable/c/b64963a2ceeb7529310b6cf253a1e540784422f4
- https://git.kernel.org/stable/c/ed28ead3420c373a7928622f114bc6168075d1e1