CVE

CVE-2024-35890

Date: (C)2024-05-20   (M)2024-05-23

In the Linux kernel, the following vulnerability has been resolved: gro: fix ownership transfer If packets are GROed with fraglist they might be segmented later on and continue their journey in the stack. In skb_segment_list those skbs can be reused as-is. This is an issue as their destructor was removed in skb_gro_receive_list but not the reference to their socket, and then they can't be orphaned. Fix this by also removing the reference to the socket. For example this could be observed, kernel BUG at include/linux/skbuff.h:3131! (skb_orphan) RIP: 0010:ip6_rcv_core+0x11bc/0x19a0 Call Trace: ipv6_list_rcv+0x250/0x3f0 __netif_receive_skb_list_core+0x49d/0x8f0 netif_receive_skb_list_internal+0x634/0xd40 napi_complete_done+0x1d2/0x7d0 gro_cell_poll+0x118/0x1f0 A similar construction is found in skb_gro_receive, apply the same change there.

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CVSS Score : 5.5		CVSS Score :
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Scope:		Integrity:
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Reference:

https://git.kernel.org/stable/c/2eeab8c47c3c0276e0746bc382f405c9a236a5ad

https://git.kernel.org/stable/c/5b3b67f731296027cceb3efad881ae281213f86f

https://git.kernel.org/stable/c/d225b0ac96dc40d7e8ae2bc227eb2c56e130975f

https://git.kernel.org/stable/c/ed4cccef64c1d0d5b91e69f7a8a6697c3a865486

https://git.kernel.org/stable/c/fc126c1d51e9552eacd2d717b9ffe9262a8a4cd6