Description
In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb->cb and uses it later from xfrm_trans_reinject(). That pointer must stay valid until the deferred callback runs. Take a netns reference when queueing deferred reinjection work and drop it after the callback completes. Use maybe_get_net() so the queueing path does not revive a namespace that is already being torn down. This keeps the existing workqueue design and fixes the netns lifetime handling in one place for all users of xfrm_trans_queue_net().
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
7b3801927e52f8621de311277f7fc727635019e7 to < 7ee59eda8820b758ed29e1cd3222359c7b97302caffected7b3801927e52f8621de311277f7fc727635019e7 to < 2df7059a18afb7d3aee6c36cad5d371c198111d4affected7b3801927e52f8621de311277f7fc727635019e7 to < 8dfabcba6a943a7a02ebe1e1637c361ba96acbaaaffected7b3801927e52f8621de311277f7fc727635019e7 to < 48ce101cd630d6745b6923b5bad8358bc4c119daaffected7b3801927e52f8621de311277f7fc727635019e7 to < 55ddfc41451f01c588089cd74957a05311b6f202affected7b3801927e52f8621de311277f7fc727635019e7 to < 9f7ebb45a83afc3216e855e57d51bb4bc9b5232eaffected7b3801927e52f8621de311277f7fc727635019e7 to < 9f67a36e91bb50d358760f381f233913fe5c09f8affected7b3801927e52f8621de311277f7fc727635019e7 to < c16f74dc1d75d0e2e7670076d5375deda110ebebaffected
Linux Linux
Default version status: affected
5.6affected0 to < 5.6unaffected5.10.259 to ≤ 5.10.*unaffected5.15.210 to ≤ 5.15.*unaffected6.1.176 to ≤ 6.1.*unaffected6.6.143 to ≤ 6.6.*unaffected6.12.93 to ≤ 6.12.*unaffected6.18.35 to ≤ 6.18.*unaffected7.0.12 to ≤ 7.0.*unaffected7.1 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/7ee59eda8820b758ed29e1cd3222359c7b97302c ↗
- https://git.kernel.org/stable/c/2df7059a18afb7d3aee6c36cad5d371c198111d4 ↗
- https://git.kernel.org/stable/c/8dfabcba6a943a7a02ebe1e1637c361ba96acbaa ↗
- https://git.kernel.org/stable/c/48ce101cd630d6745b6923b5bad8358bc4c119da ↗
- https://git.kernel.org/stable/c/55ddfc41451f01c588089cd74957a05311b6f202 ↗
- https://git.kernel.org/stable/c/9f7ebb45a83afc3216e855e57d51bb4bc9b5232e ↗
- https://git.kernel.org/stable/c/9f67a36e91bb50d358760f381f233913fe5c09f8 ↗
- https://git.kernel.org/stable/c/c16f74dc1d75d0e2e7670076d5375deda110ebeb ↗