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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths __in6_dev_get() can return NULL when the device has no IPv6 configuration (e.g. MTU < IPV6_MIN_MTU or after NETDEV_UNREGISTER). Add NULL checks for idev returned by __in6_dev_get() in both seg6_hmac_validate_skb() and ipv6_srh_rcv() to prevent potential NULL pointer dereferences.
Засегнати продукти
- Linux Linux: 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди 0348fa0ada37cef7c6b5ab2a428bb2c6aee784e4; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди 83d705d35e583cb1b1eacf196dfe7b77d442018e; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди d1bd8b9edc6752d10f84d28ff64f842401ce336d; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди 50352fc103928e10e8729abc79a0d05abef26c4d; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди bc9843c39f9932a8b36efd1d362ea00bb88e4e78; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди c5cedee5d97382176573bbe21e1724e737a5eb64; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди a25853c9feea7bbf31d157ff6e004d2d3b4f7f13; 1ababeba4a21f3dba3da3523c670b207fb2feb62 преди 06413793526251870e20402c39930804f14d59c0
- Linux Linux: 4.10; преди 4.10; 5.10.258 до 5.10.*; 5.15.209 до 5.15.*; 6.1.175 до 6.1.*; 6.6.136 до 6.6.*; 6.12.83 до 6.12.*; 6.18.25 до 6.18.*; 6.19.10 до 6.19.*; 7.0 до *
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: преди *
История
- 3 април 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23442
- https://nvd.nist.gov/vuln/detail/CVE-2026-23442
- https://git.kernel.org/stable/c/0348fa0ada37cef7c6b5ab2a428bb2c6aee784e4
- https://git.kernel.org/stable/c/83d705d35e583cb1b1eacf196dfe7b77d442018e
- https://git.kernel.org/stable/c/d1bd8b9edc6752d10f84d28ff64f842401ce336d
- https://git.kernel.org/stable/c/50352fc103928e10e8729abc79a0d05abef26c4d
- https://git.kernel.org/stable/c/bc9843c39f9932a8b36efd1d362ea00bb88e4e78
- https://git.kernel.org/stable/c/c5cedee5d97382176573bbe21e1724e737a5eb64
- https://git.kernel.org/stable/c/a25853c9feea7bbf31d157ff6e004d2d3b4f7f13
- https://git.kernel.org/stable/c/06413793526251870e20402c39930804f14d59c0
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html