diff options
Diffstat (limited to 'meta/recipes-support/libcap/files/CVE-2023-2602.patch')
-rw-r--r-- | meta/recipes-support/libcap/files/CVE-2023-2602.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta/recipes-support/libcap/files/CVE-2023-2602.patch b/meta/recipes-support/libcap/files/CVE-2023-2602.patch new file mode 100644 index 0000000000..ca04d7297a --- /dev/null +++ b/meta/recipes-support/libcap/files/CVE-2023-2602.patch @@ -0,0 +1,52 @@ +Backport of: + +From bc6b36682f188020ee4770fae1d41bde5b2c97bb Mon Sep 17 00:00:00 2001 +From: "Andrew G. Morgan" <morgan@kernel.org> +Date: Wed, 3 May 2023 19:18:36 -0700 +Subject: Correct the check of pthread_create()'s return value. + +This function returns a positive number (errno) on error, so the code +wasn't previously freeing some memory in this situation. + +Discussion: + + https://stackoverflow.com/a/3581020/14760867 + +Credit for finding this bug in libpsx goes to David Gstir of +X41 D-Sec GmbH (https://x41-dsec.de/) who performed a security +audit of the libcap source code in April of 2023. The audit +was sponsored by the Open Source Technology Improvement Fund +(https://ostif.org/). + +Audit ref: LCAP-CR-23-01 (CVE-2023-2602) + +Signed-off-by: Andrew G. Morgan <morgan@kernel.org> + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/libcap2/tree/debian/patches/CVE-2023-2602.patch?h=ubuntu/focal-security +Upstream commit https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=bc6b36682f188020ee4770fae1d41bde5b2c97bb] +CVE: CVE-2023-2602 +Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> +--- + psx/psx.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/libcap/psx.c ++++ b/libcap/psx.c +@@ -272,7 +272,7 @@ int psx_pthread_create(pthread_t *thread + + psx_wait_for_idle(); + int ret = pthread_create(thread, attr, start_routine, arg); +- if (ret != -1) { ++ if (ret == 0) { + psx_do_registration(*thread); + } + psx_resume_idle(); +@@ -287,7 +287,7 @@ int __wrap_pthread_create(pthread_t *thr + void *(*start_routine) (void *), void *arg) { + psx_wait_for_idle(); + int ret = __real_pthread_create(thread, attr, start_routine, arg); +- if (ret != -1) { ++ if (ret == 0) { + psx_do_registration(*thread); + } + psx_resume_idle(); |