CVE-2022-48911
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: fix possible use-after-free Eric Dumazet says: The sock_hold() side seems suspect, because there is no guarantee that sk_refcnt is not already 0.
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: fix possible use-after-free Eric Dumazet says: The sock_hold() side seems suspect, because there is no guarantee that sk_refcnt is not already 0. On failure, we cannot queue the packet and need to indicate an error. The packet will be dropped by the caller. v2: split skb prefetch hunk into separate change
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95Patch
- https://git.kernel.org/stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3Patch
- https://git.kernel.org/stable/c/43c25da41e3091b31a906651a43e80a2719aa1ffPatch
- https://git.kernel.org/stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71aPatch
- https://git.kernel.org/stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1Patch
- https://git.kernel.org/stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917eePatch
- https://git.kernel.org/stable/c/dd648bd1b33a828f62befa696b206c688da0ec43Patch
- https://git.kernel.org/stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.