{"cve":"CVE-2021-47095","nvd":{"published":"2024-03-04T18:15:07.907","modified":"2026-06-17T04:16:27.773","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ssif: initialize ssif_info->client early\n\nDuring probe ssif_info->client is dereferenced in error path. However,\nit is set when some of the error checking has already been done. This\ncauses following kernel crash if an error path is taken:\n\n[   30.645593][  T674] ipmi_ssif 0-000e: ipmi_ssif: Not probing, Interface already present\n[   30.657616][  T674] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000088\n...\n[   30.657723][  T674] pc : __dev_printk+0x28/0xa0\n[   30.657732][  T674] lr : _dev_err+0x7c/0xa0\n...\n[   30.657772][  T674] Call trace:\n[   30.657775][  T674]  __dev_printk+0x28/0xa0\n[   30.657778][  T674]  _dev_err+0x7c/0xa0\n[   30.657781][  T674]  ssif_probe+0x548/0x900 [ipmi_ssif 62ce4b08badc1458fd896206d9ef69a3c31f3d3e]\n[   30.657791][  T674]  i2c_device_probe+0x37c/0x3c0\n...\n\nInitialize ssif_info->client before any error path can be taken. Clear\ni2c_client data in the error path to prevent the dangling pointer from\nleaking.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/1f6ab847461ce7dd89ae9db2dd4658c993355d7c","https://git.kernel.org/stable/c/34f35f8f14bc406efc06ee4ff73202c6fd245d15","https://git.kernel.org/stable/c/77a7311ca167aa5b7055c549a940a56e73ee5f29","https://git.kernel.org/stable/c/8efd6a3391f7b0b19fb0c38e50add06ca30c94af","https://git.kernel.org/stable/c/1f6ab847461ce7dd89ae9db2dd4658c993355d7c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47095","score":0.00227,"percentile":0.13463,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}