Description
In the Linux kernel, the following vulnerability has been resolved: IB/mad: Drop unmatched RMPP responses before reassembly Kernel-handled RMPP receive processing starts reassembly for active DATA responses before the response is matched to an outstanding send. The normal match happens later, after ib_process_rmpp_recv_wc() has either assembled a complete message or consumed the segment. That ordering lets an unsolicited response that routes to a kernel RMPP agent by the high TID bits allocate or extend RMPP receive state before the full TID and source address are checked against a real request. A reordered burst can therefore reach the receive-side insertion path even though the response would not match any send. For kernel-handled RMPP DATA responses, require the existing ib_find_send_mad() match before entering RMPP reassembly. The matcher already checks the full TID, management class and source address/GID against the agent wait, backlog and in-flight send lists. If there is no match, drop the response without creating RMPP state. This leaves the RMPP window behavior unchanged and only rejects responses that have no corresponding request.
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
fa619a77046bef30478697aba0553991033afb8e to < 45416c87ebcece1e90f3bc5bc172d106b77c6b69affectedfa619a77046bef30478697aba0553991033afb8e to < 9634fb1f4d404f36a20ffbcb8797369db69b06bbaffectedfa619a77046bef30478697aba0553991033afb8e to < bfb9e8243fd2099d1080d09222964d988f991d9baffectedfa619a77046bef30478697aba0553991033afb8e to < dfa535c94406c03d3f0c869ef3ba5528e395737caffectedfa619a77046bef30478697aba0553991033afb8e to < 6e1bd7f590b0ccfee07f7fe1d48b92059bd37d72affectedfa619a77046bef30478697aba0553991033afb8e to < 98d2d468b4faa1fdc68c0c6c238389906ee3490caffectedfa619a77046bef30478697aba0553991033afb8e to < ad9c9ad3204f63a46f0f7de29687a8e512f05e29affectedfa619a77046bef30478697aba0553991033afb8e to < d2e52d610b9b09694261632340b801a421e0b0c5affected
Linux Linux
Default version status: affected
2.6.13affected0 to < 2.6.13unaffected5.10.265 to ≤ 5.10.*unaffected5.15.216 to ≤ 5.15.*unaffected6.1.183 to ≤ 6.1.*unaffected6.6.148 to ≤ 6.6.*unaffected6.12.101 to ≤ 6.12.*unaffected6.18.42 to ≤ 6.18.*unaffected7.1.6 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/45416c87ebcece1e90f3bc5bc172d106b77c6b69 ↗
- https://git.kernel.org/stable/c/9634fb1f4d404f36a20ffbcb8797369db69b06bb ↗
- https://git.kernel.org/stable/c/bfb9e8243fd2099d1080d09222964d988f991d9b ↗
- https://git.kernel.org/stable/c/dfa535c94406c03d3f0c869ef3ba5528e395737c ↗
- https://git.kernel.org/stable/c/6e1bd7f590b0ccfee07f7fe1d48b92059bd37d72 ↗
- https://git.kernel.org/stable/c/98d2d468b4faa1fdc68c0c6c238389906ee3490c ↗
- https://git.kernel.org/stable/c/ad9c9ad3204f63a46f0f7de29687a8e512f05e29 ↗
- https://git.kernel.org/stable/c/d2e52d610b9b09694261632340b801a421e0b0c5 ↗