CVE-2026-63930
CVSS 7.8 · YüksekNVD: Analyzed
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: fix use-after-free in error path In the err_put_buffers cleanup path of iio_hw_consumer_alloc(), the code was using list_for_each_entry() to iterate through buffers while calling iio_buffer_put() which can free the current buffer if refcount drops to 0. The list_for_each_entry() loop macro then evaluates buf->head.next to continue iteration, accessing the freed buffer. Fix this by using list_for_each_entry_safe().
Yayın: 19.07.2026 · Son değişiklik: 30.10.2026 · Zayıflık: CWE-416
CVSS 3.1 metrikleri
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Saldırı vektörü | Yerel |
| Karmaşıklık | Düşük |
| Gereken yetki | Düşük |
| Kullanıcı etkileşimi | Gerekmez |
| Kapsam | Değişmez |
| Gizlilik | Yüksek |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 7.8. CVSS hesaplayıcıda incele
Referanslar
- https://git.kernel.org/stable/c/29783e6b6ec0b7152a15e53a063f17537e81177d
- https://git.kernel.org/stable/c/2ff615fc455acda5425c4900160cbe11cfea4449
- https://git.kernel.org/stable/c/6f5ed4f2c7c83f33344e0ba179f72a12e5dad4a4
- https://git.kernel.org/stable/c/9319c94f63ed10723afd738d79f5617daba87cc8
- https://git.kernel.org/stable/c/a3763ae33476328cf8d661742deb9daec78eac96
- https://git.kernel.org/stable/c/b71893c57730809c222766e5718bb33610f11963
- https://git.kernel.org/stable/c/d2759d49860b9a39b5cde2fb88e4b822ddf5f58f
- https://git.kernel.org/stable/c/e965627f0d442bfcae3f496c90cb653fb0917a61