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CVE-2026-97964: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: ppp_synctty: ensure a writeable skb header ppp_sync_txmunge() checks headroom before prepending the address and control bytes, but does not ensure that the skb header is writable. A received skb can reach this function through PPP channel bridging without passing through ppp_start_xmit(), which calls skb_cow_head(). For example, a PPPoE frame may share its buffer with a clone queued to an AF_PACKET socket. If it is bridged to a synchronous tty channel, the address/control bytes can overwrite data still visible to that socket. Use skb_cow_head() to ensure both sufficient headroom and a writable header.

    Засегнати продукти

    • Linux Linux: 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 25e03eeead2c49748c7582dfb64c205f93a42d00; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди a256f9925288ef47de8febed5c38d5cc21340211; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 7953946f68262a8bb137aa101249adef6e029652; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 3af7797fbabc84992e0ca5ad2bc0ca8537d053ef; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 0996c3e6bcc6ae08cb371ed43648c9f7f748ae6e; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 15d0a6c9a42df2d745c37510dba828f6dbe60d9f; 4cf476ced45d7f12df30a68e833b263e7a2202d1 преди 8aaeb56aff2a557a88f83ae866da2c91ad247e59
    • Linux Linux: 5.11; преди 5.11; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; 7.2.7 до 7.2.*; от 7.3 нататък

    История

    • 25 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-97964: Linux | freedomonline.bg