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CVE-2026-23242

Опубликовано: 19 мар. 2026
Источник: ubuntu
Приоритет: medium

Описание

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

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Связанные уязвимости

CVSS3: 5.5
redhat
10 дней назад

A NULL pointer dereference vulnerability was found in the Linux kernel's Software iWARP (siw) RDMA driver. In siw_tcp_rx_data(), when siw_get_hdr() returns -EINVAL before set_rx_fpdu_context() is called, the qp->rx_fpdu pointer remains NULL. The error handling path then dereferences qp->rx_fpdu->more_ddp_segs without a NULL check, causing a kernel crash.

nvd
9 дней назад

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

CVSS3: 5.5
msrc
9 дней назад

RDMA/siw: Fix potential NULL pointer dereference in header processing

debian
9 дней назад

In the Linux kernel, the following vulnerability has been resolved: R ...

github
9 дней назад

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

Уязвимость CVE-2026-23242