CVE-2026-23242
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/siw: Fix potential NULL pointer dereference in header processing
If siw_get_hdr() returns -EINVAL before set_rx_fpdu_context(), qp->rx_fpdu can be NULL. The error path in siw_tcp_rx_data() dereferences qp->rx_fpdu->more_ddp_segs without checking, which may lead to a NULL pointer deref. Only check more_ddp_segs when rx_fpdu is present.
KASAN splat: [ 101.384271] KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7] [ 101.385869] RIP: 0010:siw_tcp_rx_data+0x13ad/0x1e50
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < ab61841633d10e56a58c1493a262f0d02dba2f5e | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < 8564dcc12fbb372d984ab45768cae9335777b274 | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < ab957056192d6bd068b3759cb2077d859cca01f0 | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < ffba40b67663567481fa8a1ed5d2da36897c175d | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < 87b7a036d2c73d5bb3ae2d47dee23de465db3355 | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < 714c99e1dc8f85f446e05be02ba83972e981a817 | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < ce025f7f5d070596194315eb2e4e89d568b8a755 | affected |
| Linux | Linux | 8b6a361b8c482f22ac99c3273285ff16b23fba91 < 14ab3da122bd18920ad57428f6cf4fade8385142 | affected |
| Linux | Linux | 5.3 | affected |
| Linux | Linux | 0 < 5.3 | unaffected |
| Linux | Linux | 5.10.252 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.202 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.165 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.128 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.75 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.14 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.4 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/ab61841633d10e56a58c1493a262f0d02dba2f5e
- https://git.kernel.org/stable/c/8564dcc12fbb372d984ab45768cae9335777b274
- https://git.kernel.org/stable/c/ab957056192d6bd068b3759cb2077d859cca01f0
- https://git.kernel.org/stable/c/ffba40b67663567481fa8a1ed5d2da36897c175d
- https://git.kernel.org/stable/c/87b7a036d2c73d5bb3ae2d47dee23de465db3355
- https://git.kernel.org/stable/c/714c99e1dc8f85f446e05be02ba83972e981a817
- https://git.kernel.org/stable/c/ce025f7f5d070596194315eb2e4e89d568b8a755
- https://git.kernel.org/stable/c/14ab3da122bd18920ad57428f6cf4fade8385142
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