Описание
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: retrieve ethhdr after potential skb realloc on RX
pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.
This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: retrieve ethhdr after potential skb realloc on RX
pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.
This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2026-72235
- https://git.kernel.org/stable/c/035e1fed892d3d06002a73ff73668f618a514644
- https://git.kernel.org/stable/c/2cefa5141cab8ec1e4b24cf585958b13f2e3049d
- https://git.kernel.org/stable/c/6abf73589bed3f27ee240c08108feb72bed0b9c6
- https://git.kernel.org/stable/c/6e189f14d1ea28db212b9d70a02131a7ce518012
- https://git.kernel.org/stable/c/85a71a81854e0e191ad0e533eabb4eff54866feb
- https://git.kernel.org/stable/c/a1820344b180cb55af748f102bc536b5c93164db
- https://git.kernel.org/stable/c/b031fc97e1993d29d6c3a0e86a99140528cf31e8
- https://git.kernel.org/stable/c/f19259395b44af67f3c274e34237c295b526b859
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free. This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.
In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free. This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.
In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free. This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.
In the Linux kernel, the following vulnerability has been resolved: b ...
