CVE-2025-39680
published 2025-09-05CVE-2025-39680: In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] variable…
PriorityP429high7.1CVSS 3.1
AVLACLPRLUINSUCHINAH
EPSS
0.14%
4.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
The data->block[0] variable comes from user. Without proper check,
the variable may be very large to cause an out-of-bounds bug.
Fix this bug by checking the value of data->block[0] first.
1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in
ismt_access()")
2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in
xgene_slimpro_i2c_xfer()")
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.16.5-1 (forky) | linux 6.16.5-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= c366be720235301fdadf67e6f1ea6ff32669c074 < 071e43fcba5ddd9a7813e6cc0aa10299eae41b21 | 071e43fcba5ddd9a7813e6cc0aa10299eae41b21 |
| linux | linux | >= c366be720235301fdadf67e6f1ea6ff32669c074 < 57f312b955938fc4663f430cb57a71f2414f601b | 57f312b955938fc4663f430cb57a71f2414f601b |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.16.5-1 | 6.16.5-1 |
| linux | linux_kernel | >= 6.13 < 6.16.4 | 6.16.4 |
CVSS provenance
nvdv3.17.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
osv7.1HIGH
vendor_debian7.1LOW
vendor_redhat7.1HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-qr79-p6wg-4p8q: In the Linux kernel, the following vulnerability has been resolved:
i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
The data->block[0]
ghsa_unreviewed·2025-09-05
CVE-2025-39680 [HIGH] CWE-125 GHSA-qr79-p6wg-4p8q: In the Linux kernel, the following vulnerability has been resolved:
i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
The data->block[0]
In the Linux kernel, the following vulnerability has been resolved:
i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
The data->block[0] variable comes from user. Without proper check,
the variable may be very large to cause an out-of-bounds bug.
Fix this bug by checking the value of data->block[0] first.
1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in
ismt_access()")
2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in
xgene_slimpro_i2c_xfer()")
OSV
CVE-2025-39680: In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] v
osv·2025-09-05·CVSS 7.1
CVE-2025-39680 [HIGH] CVE-2025-39680: In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] v
In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] variable comes from user. Without proper check, the variable may be very large to cause an out-of-bounds bug. Fix this bug by checking the value of data->block[0] first. 1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in ismt_access()") 2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in xgene_slimpro_i2c_xfer()")
Red Hat
kernel: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
vendor_redhat·2025-09-05·CVSS 7.1
CVE-2025-39680 [HIGH] kernel: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
kernel: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
In the Linux kernel, the following vulnerability has been resolved:
i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer
The data->block[0] variable comes from user. Without proper check,
the variable may be very large to cause an out-of-bounds bug.
Fix this bug by checking the value of data->block[0] first.
1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in
ismt_access()")
2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in
xgene_slimpro_i2c_xfer()")
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7)
Debian
CVE-2025-39680: linux - In the Linux kernel, the following vulnerability has been resolved: i2c: rtl930...
vendor_debian·2025·CVSS 7.1
CVE-2025-39680 [HIGH] CVE-2025-39680: linux - In the Linux kernel, the following vulnerability has been resolved: i2c: rtl930...
In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] variable comes from user. Without proper check, the variable may be very large to cause an out-of-bounds bug. Fix this bug by checking the value of data->block[0] first. 1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in ismt_access()") 2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in xgene_slimpro_i2c_xfer()")
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved (fixed in 6.16.5-1)
sid: resolved (fixed in 6.16.5-1)
trixie: resolved
No detection rules found.
No public exploits indexed.
2025-09-05
Published