[2.1] Fix: libstonithd: avoid use-after-free when retrieving metadata of Linux-HA fence agents #3480
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kgaillot
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May 29, 2024
…nux-HA fence agents Regression introduced by acfbd5e (not yet released). A st_info_fn() may free any existing output buffer every time when it's called like: https://github.com/ClusterLabs/cluster-glue/blob/5cc622b4/lib/plugins/stonith/external.c#L612 So we should copy the output every time.
They were created as gchar *.
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… 1179895 https://build.opensuse.org/request/show/1179895 by user yan_gao + anag+factory - Update to version 2.1.7+20240530.09c4d6d2e: - libstonithd: free escaped metadata descriptions with g_free() (bsc#1224869, gh#ClusterLabs/pacemaker#3480) - libstonithd: avoid use-after-free when retrieving metadata of Linux-HA fence agents (bsc#1224869, gh#ClusterLabs/pacemaker#3480) - Update to version 2.1.7+20240529.c7e11c771: - libcrmcommon: support PCMK_panic_action="off" or "sync-off" - libcrmcommon: avoid possible buffer overflow in pcmk__time_format_hr() - libcrmcommon: avoid possible buffer overflow in parse_date() - Update to version 2.1.7+20240515.39ef08240 (Pacemaker-2.1.8-rc1): - ChangeLog: update for 2.1.8-rc1 release - Update to version 2.1.7+20240514.9d0f30818: - scheduler: avoid memory leaks when updating action names - libcrmcommon: fix readable interval - tools: make c
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Backport #3476 and #3492 to 2.1
Regression introduced by acfbd5e (not yet released).
A st_info_fn() may free any existing output buffer every time when it's called like:
https://github.com/ClusterLabs/cluster-glue/blob/5cc622b4/lib/plugins/stonith/external.c#L612
So we should copy the output every time.