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[ciqlts9_6] Multiple patches tested (3 commits) - #1721
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jira VULN-193292 cve-pre CVE-2026-63922 commit-author Eric Dumazet <edumazet@google.com> commit 51b8f81 upstream-diff This kernel doesn't handle IPV6_TLV_IOAM so those chunks of the upstream commit were omitted As presented last month in our "BIG TCP" talk at netdev 0x15, we plan using IPv6 jumbograms. One of the minor problem we talked about is the fact that ip6_parse_tlv() is currently using tables to list known tlvs, thus using potentially expensive indirect calls. While we could mitigate this cost using macros from indirect_call_wrapper.h, we also can get rid of the tables and let the compiler emit optimized code. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Justin Iurman <justin.iurman@uliege.be> Cc: Coco Li <lixiaoyan@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> (cherry picked from commit 51b8f81) Signed-off-by: Brett Mastbergen <bmastbergen@ciq.com>
jira VULN-193292 cve CVE-2026-63922 commit-author Zhengchuan Liang <zcliangcn@gmail.com> commit f7b52af ip6_parse_tlv() caches skb_network_header(skb) in nh while walking IPv6 TLVs. ipv6_dest_hao() may call pskb_expand_head() for a cloned skb, which can move the skb head and invalidate the cached network header pointer. Refresh nh after ipv6_dest_hao() returns so any trailing padding or TLVs are parsed from the current skb head. This matches the existing pattern used in ip6_parse_tlv() after helpers that can modify skb header storage. Fixes: a831f5b ("[IPV6] MIP6: Add inbound interface of home address option.") Cc: stable@kernel.org Reported-by: Yuan Tan <yuantan098@gmail.com> Reported-by: Xin Liu <bird@lzu.edu.cn> Co-developed-by: Luxing Yin <tr0jan@lzu.edu.cn> Signed-off-by: Luxing Yin <tr0jan@lzu.edu.cn> Signed-off-by: Zhengchuan Liang <zcliangcn@gmail.com> Signed-off-by: Ren Wei <n05ec@lzu.edu.cn> Reviewed-by: Justin Iurman <justin.iurman@gmail.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/7aba1debc2196189172499e5769802b026f8caf8.1779247873.git.zcliangcn@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> (cherry picked from commit f7b52af) Signed-off-by: Brett Mastbergen <bmastbergen@ciq.com>
jira VULN-193298 cve CVE-2026-63924 commit-author Justin Iurman <justin.iurman@gmail.com> commit d47548a ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up. Fixes: 1da177e ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Justin Iurman <justin.iurman@gmail.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20260522112013.12342-1-justin.iurman@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> (cherry picked from commit d47548a) Signed-off-by: Brett Mastbergen <bmastbergen@ciq.com>
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