diff --git a/srcpkgs/linux5.15/files/arm64-dotconfig b/srcpkgs/linux5.15/files/arm64-dotconfig
index fdd8b78dcb..67c36f8f0e 100644
--- a/srcpkgs/linux5.15/files/arm64-dotconfig
+++ b/srcpkgs/linux5.15/files/arm64-dotconfig
@@ -12023,7 +12023,7 @@ CONFIG_ASYNC_RAID6_TEST=m
 # CONFIG_TEST_HMM is not set
 # CONFIG_TEST_FREE_PAGES is not set
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # CONFIG_HYPERV_TESTING is not set
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/files/i386-dotconfig b/srcpkgs/linux5.15/files/i386-dotconfig
index d80747cab7..7d49d2ff2c 100644
--- a/srcpkgs/linux5.15/files/i386-dotconfig
+++ b/srcpkgs/linux5.15/files/i386-dotconfig
@@ -10253,7 +10253,7 @@ CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_FPU=m
 CONFIG_TEST_CLOCKSOURCE_WATCHDOG=m
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # CONFIG_HYPERV_TESTING is not set
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/files/ppc-dotconfig b/srcpkgs/linux5.15/files/ppc-dotconfig
index 8294073a12..fd5be8a4b0 100644
--- a/srcpkgs/linux5.15/files/ppc-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc-dotconfig
@@ -8320,6 +8320,6 @@ CONFIG_TEST_STATIC_KEYS=m
 # CONFIG_TEST_MEMINIT is not set
 # CONFIG_TEST_FREE_PAGES is not set
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/files/ppc64-dotconfig b/srcpkgs/linux5.15/files/ppc64-dotconfig
index 410fb0c5c2..07815146cd 100644
--- a/srcpkgs/linux5.15/files/ppc64-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc64-dotconfig
@@ -10347,6 +10347,6 @@ CONFIG_TEST_STATIC_KEYS=m
 # CONFIG_TEST_HMM is not set
 # CONFIG_TEST_FREE_PAGES is not set
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/files/ppc64le-dotconfig b/srcpkgs/linux5.15/files/ppc64le-dotconfig
index ba286205ec..0d05e75d03 100644
--- a/srcpkgs/linux5.15/files/ppc64le-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc64le-dotconfig
@@ -10072,6 +10072,6 @@ CONFIG_TEST_STATIC_KEYS=m
 # CONFIG_TEST_HMM is not set
 # CONFIG_TEST_FREE_PAGES is not set
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/files/x86_64-dotconfig b/srcpkgs/linux5.15/files/x86_64-dotconfig
index 8b0237cb40..12150514a2 100644
--- a/srcpkgs/linux5.15/files/x86_64-dotconfig
+++ b/srcpkgs/linux5.15/files/x86_64-dotconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 5.15.5 Kernel Configuration
+# Linux/x86 5.15.8 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.1 20201203"
 CONFIG_CC_IS_GCC=y
@@ -10479,7 +10479,7 @@ CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_FPU=m
 CONFIG_TEST_CLOCKSOURCE_WATCHDOG=m
 CONFIG_ARCH_USE_MEMTEST=y
-# CONFIG_MEMTEST is not set
+CONFIG_MEMTEST=y
 # CONFIG_HYPERV_TESTING is not set
 # end of Kernel Testing and Coverage
 # end of Kernel hacking
diff --git a/srcpkgs/linux5.15/template b/srcpkgs/linux5.15/template
index dec1bf4ccc..622842e8c1 100644
--- a/srcpkgs/linux5.15/template
+++ b/srcpkgs/linux5.15/template
@@ -1,6 +1,6 @@
 # Template file for 'linux5.15'
 pkgname=linux5.15
-version=5.15.7
+version=5.15.8
 revision=1
 wrksrc="linux-${version%.*}"
 short_desc="Linux kernel and modules (${version%.*} series)"
@@ -10,7 +10,7 @@ homepage="https://www.kernel.org"
 distfiles="https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-${version%.*}.tar.xz
  https://cdn.kernel.org/pub/linux/kernel/v5.x/patch-${version}.xz"
 checksum="57b2cf6991910e3b67a1b3490022e8a0674b6965c74c12da1e99d138d1991ee8
- 9112078380091e8f18680f9ea863bbd74cf36eaf2ee68f6e483e718ddd3314e1"
+ c122c139f9b16fb6b78a70259c7fb689773c14581eb202425395e9ee251e98fb"
 skip_extraction="patch-${version}.xz"
 python_version=3