git: af58d0db156a - releng/15.0 - Add UPDATING entries and bump version

The branch releng/15.0 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=af58d0db156a4036624d7f8a0bdd4b739a5418d2

commit af58d0db156a4036624d7f8a0bdd4b739a5418d2
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2026-08-19 19:04:11 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2026-08-24 21:51:23 +0000

    Add UPDATING entries and bump version
    
    Approved by:    so
---
 UPDATING            | 29 +++++++++++++++++++++++++++++
 sys/conf/newvers.sh |  2 +-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/UPDATING b/UPDATING
index cb922072aea3..ad75029d04b1 100644
--- a/UPDATING
+++ b/UPDATING
@@ -12,6 +12,35 @@ Items affecting the ports and packages system can be found in
 /usr/ports/UPDATING.  Please read that file before updating system packages
 and/or ports.
 
+20260825:
+	15.0-RELEASE-p13 EN-26:20.microcode
+			 SA-26:56.hwpmc
+			 SA-26:57.unix
+			 SA-26:58.sound
+			 SA-26:59.mac_do
+			 SA-26:60.ppp
+			 SA-26:61.openssl
+			 SA-26:62.tty
+			 SA-26:63.posixshm
+
+	Intel CPU microcode not applied during early loading for some CPUs. [EN-26:20.microcode]
+
+	hwpmc fails to detach PMCs during exec credential transitions. [SA-26:56.hwpmc]
+
+	Use-after-free in unix SOCK_STREAM message handling. [SA-26:57.unix]
+
+	Kernel use-after-free via the SNDCTL_DSP_SYNCSTART ioctl. [SA-26:58.sound]
+
+	Unauthorized credential switching. [SA-26:59.mac_do]
+
+	Multiple vulnerabilities in ppp. [SA-26:60.ppp]
+
+	Multiple vulnerabilities in OpenSSL. [SA-26:61.openssl]
+
+	Kernel use-after-free via tty ioctls. [SA-26:62.tty]
+
+	TOCTOU in POSIX shared memory large page configuration. [SA-26:63.posixshm]
+
 20260729:
 	15.0-RELEASE-p12 EN-26:18.tzdata
 			EN-26:19.zfs
diff --git a/sys/conf/newvers.sh b/sys/conf/newvers.sh
index 76e7a357ff63..7c7478cfdd72 100644
--- a/sys/conf/newvers.sh
+++ b/sys/conf/newvers.sh
@@ -51,7 +51,7 @@
 
 TYPE="FreeBSD"
 REVISION="15.0"
-BRANCH="RELEASE-p12"
+BRANCH="RELEASE-p13"
 if [ -n "${BRANCH_OVERRIDE}" ]; then
 	BRANCH=${BRANCH_OVERRIDE}
 fi