| From bippy-1.2.0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@kernel.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2025-37784: net: ti: icss-iep: Fix possible NULL pointer dereference for perout request |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| net: ti: icss-iep: Fix possible NULL pointer dereference for perout request |
| |
| The ICSS IEP driver tracks perout and pps enable state with flags. |
| Currently when disabling pps and perout signals during icss_iep_exit(), |
| results in NULL pointer dereference for perout. |
| |
| To fix the null pointer dereference issue, the icss_iep_perout_enable_hw |
| function can be modified to directly clear the IEP CMP registers when |
| disabling PPS or PEROUT, without referencing the ptp_perout_request |
| structure, as its contents are irrelevant in this case. |
| |
| The Linux kernel CVE team has assigned CVE-2025-37784 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.6.70 with commit d6b130fabfe197935346fe9f1e50a0947b2b1be7 and fixed in 6.6.88 with commit 7891619d21f07a88e0275d6d43db74035aa74f69 |
| Issue introduced in 6.12.9 with commit 4ac8e8bf70b436294534d06e5d500e950e20c13d and fixed in 6.12.25 with commit da5035d7aeadcfa44096dd34689bfed6c657f559 |
| Issue introduced in 6.13 with commit 9b115361248dc6cce182a2dc030c1c70b0a9639e and fixed in 6.14.4 with commit eeec66327001421531b3fb1a2ac32efc8a2493b0 |
| Issue introduced in 6.13 with commit 9b115361248dc6cce182a2dc030c1c70b0a9639e and fixed in 6.15 with commit 7349c9e9979333abfce42da5f9025598083b59c9 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2025-37784 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| drivers/net/ethernet/ti/icssg/icss_iep.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/7891619d21f07a88e0275d6d43db74035aa74f69 |
| https://git.kernel.org/stable/c/da5035d7aeadcfa44096dd34689bfed6c657f559 |
| https://git.kernel.org/stable/c/eeec66327001421531b3fb1a2ac32efc8a2493b0 |
| https://git.kernel.org/stable/c/7349c9e9979333abfce42da5f9025598083b59c9 |
