CVE-2024-57932gve: guard XDP xmit NDO on existence of xdp queues
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: gve: guard XDP xmit NDO on existence of xdp queues In GVE, dedicated XDP queues only exist when an XDP program is installed and the interface is up. As such, the NDO XDP XMIT callback should return early if either of these conditions are false. In the case of no loaded XDP program, priv->num_xdp_queues=0 which can cause a divide-by-zero error, and in the case of interface down, num_xdp_queues remains untouched to persist XDP queue count for the next interface up, but the TX pointer itself would be NULL. The XDP xmit callback also needs to synchronize with a device transitioning from open to close. This synchronization will happen via the GVE_PRIV_FLAGS_NAPI_ENABLED bit along with a synchronize_net() call, which waits for any RCU critical sections at call-time to complete.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 39a7f4aa3e4a7947614cf1d5c27abba3300adb1e before cbe9eb2c39d09f3c8574febcfa39d8c09d0c7cb5; 39a7f4aa3e4a7947614cf1d5c27abba3300adb1e builds before 35f44eed5828cf1bc7e760d1993ed8549ba41c7b; from 39a7f4aa3e4a7947614cf1d5c27abba3300adb1e before ff7c2dea9dd1a436fc79d6273adffdcc4a7ffea3 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.4 before 6.6.70; from 6.7 before 6.12.9; 6.13; 6.13; 6.13; 6.13; 6.13 | NVD |
References
- https://git.kernel.org/stable/c/cbe9eb2c39d09f3c8574febcfa39d8c09d0c7cb5patch
- https://git.kernel.org/stable/c/35f44eed5828cf1bc7e760d1993ed8549ba41c7bpatch
- https://git.kernel.org/stable/c/ff7c2dea9dd1a436fc79d6273adffdcc4a7ffea3patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.