{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50475", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50475", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-10-04T15:16:36.235Z", "updatedAt": "2026-05-11T19:20:12.658Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "RDMA/core: Make sure \"ib_port\" is valid when access sysfs node", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Make sure \"ib_port\" is valid when access sysfs node\n\nThe \"ib_port\" structure must be set before adding the sysfs kobject,\nand reset after removing it, otherwise it may crash when accessing\nthe sysfs node:\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050\n Mem abort info:\n ESR = 0x96000006\n Exception class = DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n Data abort info:\n ISV = 0, ISS = 0x00000006\n CM = 0, WnR = 0\n user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000e85f5ba5\n [0000000000000050] pgd=0000000848fd9003, pud=000000085b387003, pmd=0000000000000000\n Internal error: Oops: 96000006 [#2] PREEMPT SMP\n 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]\n Process grep (pid: 3372, stack limit = 0x0000000022055c92)\n CPU: 5 PID: 3372 Comm: grep Tainted: G D OE 4.19.161-mlnx.47.gadcd9e3 #1\n Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS BlueField:3.9.2-15-ga2403ab Sep 8 2022\n pstate: 40000005 (nZcv daif -PAN -UAO)\n pc : hw_stat_port_show+0x4c/0x80 [ib_core]\n lr : port_attr_show+0x40/0x58 [ib_core]\n sp : ffff000029f43b50\n x29: ffff000029f43b50 x28: 0000000019375000\n x27: ffff8007b821a540 x26: ffff000029f43e30\n x25: 0000000000008000 x24: ffff000000eaa958\n x23: 0000000000001000 x22: ffff8007a4ce3000\n x21: ffff8007baff8000 x20: ffff8007b9066ac0\n x19: ffff8007bae97578 x18: 0000000000000000\n x17: 0000000000000000 x16: 0000000000000000\n x15: 0000000000000000 x14: 0000000000000000\n x13: 0000000000000000 x12: 0000000000000000\n x11: 0000000000000000 x10: 0000000000000000\n x9 : 0000000000000000 x8 : ffff8007a4ce4000\n x7 : 0000000000000000 x6 : 000000000000003f\n x5 : ffff000000e6a280 x4 : ffff8007a4ce3000\n x3 : 0000000000000000 x2 : aaaaaaaaaaaaaaab\n x1 : ffff8007b9066a10 x0 : ffff8007baff8000\n Call trace:\n hw_stat_port_show+0x4c/0x80 [ib_core]\n port_attr_show+0x40/0x58 [ib_core]\n sysfs_kf_seq_show+0x8c/0x150\n kernfs_seq_show+0x44/0x50\n seq_read+0x1b4/0x45c\n kernfs_fop_read+0x148/0x1d8\n __vfs_read+0x58/0x180\n vfs_read+0x94/0x154\n ksys_read+0x68/0xd8\n __arm64_sys_read+0x28/0x34\n el0_svc_common+0x88/0x18c\n el0_svc_handler+0x78/0x94\n el0_svc+0x8/0xe8\n Code: f2955562 aa1603e4 aa1503e0 f9405683 (f9402861)", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "d8a5883814b9f7c08d7ff291070687d925b4f859", "status": "affected", "versionType": "git", "lessThan": "f981c697b2f9bd5dd2f060e47ff8b5e0a2cd0c06" }, { "version": "d8a5883814b9f7c08d7ff291070687d925b4f859", "status": "affected", "versionType": "git", "lessThan": "ac7a7d7079124f46180714b2d41a1703d37101bb" }, { "version": "d8a5883814b9f7c08d7ff291070687d925b4f859", "status": "affected", "versionType": "git", "lessThan": "cd06d32a71fbb198b2d43dddf794badd80ffd25d" }, { "version": "d8a5883814b9f7c08d7ff291070687d925b4f859", "status": "affected", "versionType": "git", "lessThan": "5e15ff29b156bbbdeadae230c8ecd5ecd8ca2477" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.14" }, { "version": "5.15.86", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.0.16", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }