path: root/security/integrity
diff options
authorLakshmi Ramasubramanian <>2021-02-04 09:49:50 -0800
committerMimi Zohar <>2021-02-10 15:49:35 -0500
commit6d14c6517885fa68524238787420511b87d671df (patch)
tree26792b78c4a23732df1876305971d435ceeef1d0 /security/integrity
parent7c53f6b671f4aba70ff15e1b05148b10d58c2837 (diff)
ima: Free IMA measurement buffer on error
IMA allocates kernel virtual memory to carry forward the measurement list, from the current kernel to the next kernel on kexec system call, in ima_add_kexec_buffer() function. In error code paths this memory is not freed resulting in memory leak. Free the memory allocated for the IMA measurement list in the error code paths in ima_add_kexec_buffer() function. Signed-off-by: Lakshmi Ramasubramanian <> Suggested-by: Tyler Hicks <> Fixes: 7b8589cc29e7 ("ima: on soft reboot, save the measurement list") Signed-off-by: Mimi Zohar <>
Diffstat (limited to 'security/integrity')
1 files changed, 1 insertions, 0 deletions
diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c
index 121de3e04af2..206ddcaa5c67 100644
--- a/security/integrity/ima/ima_kexec.c
+++ b/security/integrity/ima/ima_kexec.c
@@ -119,6 +119,7 @@ void ima_add_kexec_buffer(struct kimage *image)
ret = kexec_add_buffer(&kbuf);
if (ret) {
pr_err("Error passing over kexec measurement buffer.\n");
+ vfree(kexec_buffer);