CVE-2026-23242 | BDVDB-2026-320998 Detail
LinuxLinux
Description#
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
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-476 NULL Pointer Dereference
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
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.