CVE-2025-38265serial: jsm: fix NPE during jsm_uart_port_init
- 5.5MediumCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 91% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: serial: jsm: fix NPE during jsm_uart_port_init No device was set which caused serial_base_ctrl_add to crash. BUG: kernel NULL pointer dereference, address: 0000000000000050 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1 Debian 6.12.25-1 RIP: 0010:serial_base_ctrl_add+0x96/0x120 Call Trace: <TASK> serial_core_register_port+0x1a0/0x580 ? __setup_irq+0x39c/0x660 ? __kmalloc_cache_noprof+0x111/0x310 jsm_uart_port_init+0xe8/0x180 [jsm] jsm_probe_one+0x1f4/0x410 [jsm] local_pci_probe+0x42/0x90 pci_device_probe+0x22f/0x270 really_probe+0xdb/0x340 ? pm_runtime_barrier+0x54/0x90 ? __pfx___driver_attach+0x10/0x10 __driver_probe_device+0x78/0x110 driver_probe_device+0x1f/0xa0 __driver_attach+0xba/0x1c0 bus_for_each_dev+0x8c/0xe0 bus_add_driver+0x112/0x1f0 driver_register+0x72/0xd0 jsm_init_module+0x36/0xff0 [jsm] ? __pfx_jsm_init_module+0x10/0x10 [jsm] do_one_initcall+0x58/0x310 do_init_module+0x60/0x230 Tested with Digi Neo PCIe 8 port card.
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 16 months later
· 16 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 84a9582fd203063cd4d301204971ff2cd8327f1a – < 3258d7ff8ebfa451426662b23e8f2b51b129afe1
- affected 84a9582fd203063cd4d301204971ff2cd8327f1a – < 985961dd2688a527a4847300d41beaad475ab7af
- affected 84a9582fd203063cd4d301204971ff2cd8327f1a – < a14c0d2eb3f0b1836fdec22908b87ecffd2ac844
- affected 84a9582fd203063cd4d301204971ff2cd8327f1a – < abaecb2a4ad021c2f2426e9b2a9c020aef57aca9
- affected 84a9582fd203063cd4d301204971ff2cd8327f1a – < e3975aa899c0a3bbc10d035e699b142cd1373a71
- affected 6.5
- unaffected < 6.5
- unaffected 6.6.94 – ≤ 6.6.*
- unaffected 6.12.33 – ≤ 6.12.*
- unaffected 6.14.11 – ≤ 6.14.*
- unaffected 6.15.2 – ≤ 6.15.*
- unaffected 6.16 – ≤ *
References
References5
- https://git.kernel.org/stable/c/3258d7ff8ebfa451426662b23e8f2b51b129afe1 (opens in a new tab)
- https://git.kernel.org/stable/c/985961dd2688a527a4847300d41beaad475ab7af (opens in a new tab)
- https://git.kernel.org/stable/c/a14c0d2eb3f0b1836fdec22908b87ecffd2ac844 (opens in a new tab)
- https://git.kernel.org/stable/c/abaecb2a4ad021c2f2426e9b2a9c020aef57aca9 (opens in a new tab)
- https://git.kernel.org/stable/c/e3975aa899c0a3bbc10d035e699b142cd1373a71 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-20983 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-38265)Record last updated .