{ "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-2025-22089", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-22089", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-04-16T14:12:41.732Z", "updatedAt": "2026-08-05T11:56:43.154Z", "importedAt": "2026-10-24T01:57:29.455Z", "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: Don't expose hw_counters outside of init net namespace", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Don't expose hw_counters outside of init net namespace\n\nCommit 467f432a521a (\"RDMA/core: Split port and device counter sysfs\nattributes\") accidentally almost exposed hw counters to non-init net\nnamespaces. It didn't expose them fully, as an attempt to read any of\nthose counters leads to a crash like this one:\n\n[42021.807566] BUG: kernel NULL pointer dereference, address: 0000000000000028\n[42021.814463] #PF: supervisor read access in kernel mode\n[42021.819549] #PF: error_code(0x0000) - not-present page\n[42021.824636] PGD 0 P4D 0\n[42021.827145] Oops: 0000 [#1] SMP PTI\n[42021.830598] CPU: 82 PID: 2843922 Comm: switchto-defaul Kdump: loaded Tainted: G S W I XXX\n[42021.841697] Hardware name: XXX\n[42021.849619] RIP: 0010:hw_stat_device_show+0x1e/0x40 [ib_core]\n[42021.855362] Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 49 89 d0 4c 8b 5e 20 48 8b 8f b8 04 00 00 48 81 c7 f0 fa ff ff <48> 8b 41 28 48 29 ce 48 83 c6 d0 48 c1 ee 04 69 d6 ab aa aa aa 48\n[42021.873931] RSP: 0018:ffff97fe90f03da0 EFLAGS: 00010287\n[42021.879108] RAX: ffff9406988a8c60 RBX: ffff940e1072d438 RCX: 0000000000000000\n[42021.886169] RDX: ffff94085f1aa000 RSI: ffff93c6cbbdbcb0 RDI: ffff940c7517aef0\n[42021.893230] RBP: ffff97fe90f03e70 R08: ffff94085f1aa000 R09: 0000000000000000\n[42021.900294] R10: ffff94085f1aa000 R11: ffffffffc0775680 R12: ffffffff87ca2530\n[42021.907355] R13: ffff940651602840 R14: ffff93c6cbbdbcb0 R15: ffff94085f1aa000\n[42021.914418] FS: 00007fda1a3b9700(0000) GS:ffff94453fb80000(0000) knlGS:0000000000000000\n[42021.922423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[42021.928130] CR2: 0000000000000028 CR3: 00000042dcfb8003 CR4: 00000000003726f0\n[42021.935194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[42021.942257] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[42021.949324] Call Trace:\n[42021.951756] \n[42021.953842] [] ? show_regs+0x64/0x70\n[42021.959030] [] ? __die+0x78/0xc0\n[42021.963874] [] ? page_fault_oops+0x2b5/0x3b0\n[42021.969749] [] ? exc_page_fault+0x1a2/0x3c0\n[42021.975549] [] ? asm_exc_page_fault+0x26/0x30\n[42021.981517] [] ? __pfx_show_hw_stats+0x10/0x10 [ib_core]\n[42021.988482] [] ? hw_stat_device_show+0x1e/0x40 [ib_core]\n[42021.995438] [] dev_attr_show+0x1e/0x50\n[42022.000803] [] sysfs_kf_seq_show+0x81/0xe0\n[42022.006508] [] seq_read_iter+0xf4/0x410\n[42022.011954] [] vfs_read+0x16e/0x2f0\n[42022.017058] [] ksys_read+0x6e/0xe0\n[42022.022073] [] do_syscall_64+0x6a/0xa0\n[42022.027441] [] entry_SYSCALL_64_after_hwframe+0x78/0xe2\n\nThe problem can be reproduced using the following steps:\n ip netns add foo\n ip netns exec foo bash\n cat /sys/class/infiniband/mlx4_0/hw_counters/*\n\nThe panic occurs because of casting the device pointer into an\nib_device pointer using container_of() in hw_stat_device_show() is\nwrong and leads to a memory corruption.\n\nHowever the real problem is that hw counters should never been exposed\noutside of the non-init net namespace.\n\nFix this by saving the index of the corresponding attribute group\n(it might be 1 or 2 depending on the presence of driver-specific\nattributes) and zeroing the pointer to hw_counters group for compat\ndevices during the initialization.\n\nWith this fix applied hw_counters are not available in a non-init\nnet namespace:\n find /sys/class/infiniband/mlx4_0/ -name hw_counters\n /sys/class/infiniband/mlx4_0/ports/1/hw_counters\n /sys/class/infiniband/mlx4_0/ports/2/hw_counters\n /sys/class/infiniband/mlx4_0/hw_counters\n\n ip netns add foo\n ip netns exec foo bash\n find /sys/class/infiniband/mlx4_0/ -name hw_counters", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "9a5b7f8842a90a5e6eeff37f9f6d814e61ea3529" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "d5212b99649c5740154f307e9e3d7fee9bf62773" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "0cf80f924aecb5b2bebd4f4ad11b2efc676a0b78" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "df45ae2a4f1cdfda00c032839e12092e1f32c05e" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "c14d9704f5d77a7c7fa46e2114b64a4f75b64e17" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "6682da5d8fd578a5068531d01633c9d2e4c8f12b" }, { "version": "467f432a521a284c418e3d521ee51840a5e23424", "status": "affected", "versionType": "git", "lessThan": "a1ecb30f90856b0be4168ad51b8875148e285c1f" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.14" }, { "version": "5.15.180", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.134", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.87", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.23", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.13.*" }, { "version": "6.14.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.14.*" }, { "version": "6.15", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }