CVE-2025-71222 [Medium] | Security Vulnerability in Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: ensure skb headroom before skb_push This avoids occasional skb_under_panic Oops from wl1271_tx_work. In this case, headroom is less than needed (typically 110 - 94 = 16 bytes).

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.02%	0.13%	+0.10%
2	2026-02-15	—	0.02%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.02%

0.13%

+0.10%

2026-02-15

—

0.02%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.5	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.5

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

3.6

[email protected]

OS Trackers for CVE-2025-71222

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2025-71222 not yet assigned priority: Debian including 2 source packages (linux, linux-6.1), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6.	https://security-tracker.debian.org/tracker/CVE-2025-71222
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2025-71222
`suse`	medium	CVE-2025-71222 severity moderate: SUSE including 421 source package names (2.1.3-6.124:kernel-default-base-6.4.0-40.1.21.17, 2.1.3-7.105:kernel-default-6.4.0-40.1, …), 714 product×package rows across 55 product lines (Container suse/sl-micro/6.0/base-os-container, Container suse/sl-micro/6.0/kvm-os-container, … (55 product lines)): Fixed 308, Known Affected 231, Will Not Fix 145, First Fixed 25, Known Not Affected 5.	https://www.suse.com/security/cve/CVE-2025-71222/
`ubuntu`	medium	CVE-2025-71222 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1256 status rows across 8 suites (bionic, focal, jammy, noble, questing, trusty, upstream, xenial): DNE 871, ignored 173, needed 124, released 83, pending 5.	https://ubuntu.com/security/CVE-2025-71222

Affected software / configurations for CVE-2025-71222

Vendor	Product	Version	Raw CPE
linux	linux_kernel	>= 2.6.32, < 5.10.250	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	>= 5.11, < 5.15.200	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	>= 5.16, < 6.1.163	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	>= 6.2, < 6.6.124	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	>= 6.7, < 6.12.70	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	>= 6.13, < 6.18.10	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	6.19	cpe:2.3:o:linux:linux_kernel:6.19:rc1::::::
linux	linux_kernel	6.19	cpe:2.3:o:linux:linux_kernel:6.19:rc2::::::
linux	linux_kernel	6.19	cpe:2.3:o:linux:linux_kernel:6.19:rc3::::::

References for CVE-2025-71222

URL	Tags
https://git.kernel.org/stable/c/689a7980e4788e13e766763d53569fb78dea2513	Patch
https://git.kernel.org/stable/c/71de0b6e04bbee5575caf9a1e4d424e7dcc50018	Patch
https://git.kernel.org/stable/c/745a0810dbc96a0471e5f5e627ba1e978c3116d4	Patch
https://git.kernel.org/stable/c/88295a55fefe5414e64293638b6f7549646e58ed	Patch
https://git.kernel.org/stable/c/b167312390fdd461c81ead516f2b0b44e83a9edb	Patch
https://git.kernel.org/stable/c/cd89a4656c03f8db0c57350aaec69cd3cfaa3522	Patch
https://git.kernel.org/stable/c/e75665dd096819b1184087ba5718bd93beafff51	Patch

URL

CVE-2025-71222 | wifi: wlcore: ensure skb headroom before skb_push

Exploit prediction scoring system (EPSS) score for CVE-2025-71222

Common vulnerability scoring system (CVSS) metrics for CVE-2025-71222

Weakness enumeration for CVE-2025-71222

OS Trackers for CVE-2025-71222

Affected software / configurations for CVE-2025-71222

References for CVE-2025-71222