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libkcapi: patch CVE-2026-71227

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Backport commit fixing the CVE as per the release notes[1]

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-71227

[1]https://github.com/smuellerDD/libkcapi/releases/tag/v1.5.1

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Ankur Tyagi
2026-09-15 07:52:13 +05:30
committed by Anuj Mittal
parent 4ff7b629f8
commit 27947c5852
2 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-oe/recipes-crypto/libkcapi/libkcapi/CVE-2026-71227.patch
+40
View File
@@ -0,0 +1,40 @@
From d85279e3bec7578f8c238aec92539985c2032616 Mon Sep 17 00:00:00 2001
From: Stephan Mueller <smueller@chronox.de>
Date: Thu, 30 Jul 2026 08:38:10 +0200
Subject: [PATCH] Fix potential infinite loop
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
CVE: CVE-2026-71227
Upstream-Status: Backport [https://github.com/smuellerDD/libkcapi/commit/9a29cc2ce0fa87ec212d58118402eafe07db3f60]
Dropped changes to the CHANGES.md file.
Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
---
lib/kcapi-kernel-if.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/kcapi-kernel-if.c b/lib/kcapi-kernel-if.c
index 8a12c09..a54cdaa 100644
--- a/lib/kcapi-kernel-if.c
+++ b/lib/kcapi-kernel-if.c
@@ -436,6 +436,8 @@ int _kcapi_aio_read_all(struct kcapi_handle *handle, size_t toread,
if (rc < 0)
return err == 0 ? rc : err;
+ if (rc == 0)
+ return err == 0 ? -ETIMEDOUT : err;
for (i = 0; i < rc; i++) {
struct iocb *cb;
@@ -509,7 +511,7 @@ int _kcapi_aio_read_iov(struct kcapi_handle *handle,
timeout.tv_sec = 0;
timeout.tv_nsec = 10000;
ret = _kcapi_aio_read_all(handle, iovlen, &timeout);
- if (ret < 0)
+ if (ret < 0 && ret != -ETIMEDOUT)
return ret;
}
meta-oe/recipes-crypto/libkcapi/libkcapi_1.5.0.bb
+1
View File
@@ -8,6 +8,7 @@ SRC_URI = "git://github.com/smuellerDD/libkcapi.git;branch=master;protocol=https
file://CVE-2026-71226-1.patch \
file://CVE-2026-71226-2.patch \
file://CVE-2026-71226-3.patch \
file://CVE-2026-71227.patch \
"
inherit autotools