{"cve":"CVE-2025-22002","nvd":{"published":"2025-04-03T08:15:15.723","modified":"2026-06-17T08:44:49.037","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Call `invalidate_cache` only if implemented\n\nMany filesystems such as NFS and Ceph do not implement the\n`invalidate_cache` method.  On those filesystems, if writing to the\ncache (`NETFS_WRITE_TO_CACHE`) fails for some reason, the kernel\ncrashes like this:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor instruction fetch in kernel mode\n #PF: error_code(0x0010) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0010 [#1] SMP PTI\n CPU: 9 UID: 0 PID: 3380 Comm: kworker/u193:11 Not tainted 6.13.3-cm4all1-hp #437\n Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/17/2018\n Workqueue: events_unbound netfs_write_collection_worker\n RIP: 0010:0x0\n Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n RSP: 0018:ffff9b86e2ca7dc0 EFLAGS: 00010202\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7fffffffffffffff\n RDX: 0000000000000001 RSI: ffff89259d576a18 RDI: ffff89259d576900\n RBP: ffff89259d5769b0 R08: ffff9b86e2ca7d28 R09: 0000000000000002\n R10: ffff89258ceaca80 R11: 0000000000000001 R12: 0000000000000020\n R13: ffff893d158b9338 R14: ffff89259d576900 R15: ffff89259d5769b0\n FS:  0000000000000000(0000) GS:ffff893c9fa40000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: ffffffffffffffd6 CR3: 000000054442e003 CR4: 00000000001706f0\n Call Trace:\n  <TASK>\n  ? __die+0x1f/0x60\n  ? page_fault_oops+0x15c/0x460\n  ? try_to_wake_up+0x2d2/0x530\n  ? exc_page_fault+0x5e/0x100\n  ? asm_exc_page_fault+0x22/0x30\n  netfs_write_collection_worker+0xe9f/0x12b0\n  ? xs_poll_check_readable+0x3f/0x80\n  ? xs_stream_data_receive_workfn+0x8d/0x110\n  process_one_work+0x134/0x2d0\n  worker_thread+0x299/0x3a0\n  ? __pfx_worker_thread+0x10/0x10\n  kthread+0xba/0xe0\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x30/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  </TASK>\n Modules linked in:\n CR2: 0000000000000000\n\nThis patch adds the missing `NULL` check.","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/0def1a40c3e76a468f8f66aa572caed44ec37277","https://git.kernel.org/stable/c/344b7ef248f420ed4ba3a3539cb0a0fc18df9a6c","https://git.kernel.org/stable/c/c2d5d14a7bcbb045d0cd0095cefe95f2a4b91159"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-22002","score":0.00189,"percentile":0.08611,"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."]}