{"id":"DEBIAN-CVE-2022-50475","details":"In the Linux kernel, the following vulnerability has been resolved:  RDMA/core: Make sure \"ib_port\" is valid when access sysfs node  The \"ib_port\" structure must be set before adding the sysfs kobject, and reset after removing it, otherwise it may crash when accessing the sysfs node:   Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050   Mem abort info:     ESR = 0x96000006     Exception class = DABT (current EL), IL = 32 bits     SET = 0, FnV = 0     EA = 0, S1PTW = 0   Data abort info:     ISV = 0, ISS = 0x00000006     CM = 0, WnR = 0   user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000e85f5ba5   [0000000000000050] pgd=0000000848fd9003, pud=000000085b387003, pmd=0000000000000000   Internal error: Oops: 96000006 [#2] PREEMPT SMP   Modules linked in: ib_umad(O) mlx5_ib(O) nfnetlink_cttimeout(E) nfnetlink(E) act_gact(E) cls_flower(E) sch_ingress(E) openvswitch(E) nsh(E) nf_nat_ipv6(E) nf_nat_ipv4(E) nf_conncount(E) nf_nat(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) mst_pciconf(O) ipmi_devintf(E) ipmi_msghandler(E) ipmb_dev_int(OE) mlx5_core(O) mlxfw(O) mlxdevm(O) auxiliary(O) ib_uverbs(O) ib_core(O) mlx_compat(O) psample(E) sbsa_gwdt(E) uio_pdrv_genirq(E) uio(E) mlxbf_pmc(OE) mlxbf_gige(OE) mlxbf_tmfifo(OE) gpio_mlxbf2(OE) pwr_mlxbf(OE) mlx_trio(OE) i2c_mlxbf(OE) mlx_bootctl(OE) bluefield_edac(OE) knem(O) ip_tables(E) ipv6(E) crc_ccitt(E) [last unloaded: mst_pci]   Process grep (pid: 3372, stack limit = 0x0000000022055c92)   CPU: 5 PID: 3372 Comm: grep Tainted: G      D    OE     4.19.161-mlnx.47.gadcd9e3 #1   Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS BlueField:3.9.2-15-ga2403ab Sep  8 2022   pstate: 40000005 (nZcv daif -PAN -UAO)   pc : hw_stat_port_show+0x4c/0x80 [ib_core]   lr : port_attr_show+0x40/0x58 [ib_core]   sp : ffff000029f43b50   x29: ffff000029f43b50 x28: 0000000019375000   x27: ffff8007b821a540 x26: ffff000029f43e30   x25: 0000000000008000 x24: ffff000000eaa958   x23: 0000000000001000 x22: ffff8007a4ce3000   x21: ffff8007baff8000 x20: ffff8007b9066ac0   x19: ffff8007bae97578 x18: 0000000000000000   x17: 0000000000000000 x16: 0000000000000000   x15: 0000000000000000 x14: 0000000000000000   x13: 0000000000000000 x12: 0000000000000000   x11: 0000000000000000 x10: 0000000000000000   x9 : 0000000000000000 x8 : ffff8007a4ce4000   x7 : 0000000000000000 x6 : 000000000000003f   x5 : ffff000000e6a280 x4 : ffff8007a4ce3000   x3 : 0000000000000000 x2 : aaaaaaaaaaaaaaab   x1 : ffff8007b9066a10 x0 : ffff8007baff8000   Call trace:    hw_stat_port_show+0x4c/0x80 [ib_core]    port_attr_show+0x40/0x58 [ib_core]    sysfs_kf_seq_show+0x8c/0x150    kernfs_seq_show+0x44/0x50    seq_read+0x1b4/0x45c    kernfs_fop_read+0x148/0x1d8    __vfs_read+0x58/0x180    vfs_read+0x94/0x154    ksys_read+0x68/0xd8    __arm64_sys_read+0x28/0x34    el0_svc_common+0x88/0x18c    el0_svc_handler+0x78/0x94    el0_svc+0x8/0xe8   Code: f2955562 aa1603e4 aa1503e0 f9405683 (f9402861)","modified":"2026-09-01T20:05:00.289373235Z","published":"2025-10-04T16:15:44.050Z","upstream":["CVE-2022-50475"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-50475"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50475.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50475.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50475.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}