CVE-2022-48672
In the Linux kernel, the following vulnerability has been resolved: of: fdt: fix off-by-one error in unflatten_dt_nodes() Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree") forgot to fix up the depth check in the loop body in…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: of: fdt: fix off-by-one error in unflatten_dt_nodes() Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree") forgot to fix up the depth check in the loop body in unflatten_dt_nodes() which makes it possible to overflow the nps[] buffer... Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-193
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0ePatch
- https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0Patch
- https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181Patch
- https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7Patch
- https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853Patch
- https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feafPatch
- https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365cPatch
- https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0ePatch
- https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0Patch
- https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181Patch
- https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7Patch
- https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853Patch
- https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feafPatch
- https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365cPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.