The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade SLES:15.6
kernel-syms-coco
to version 6.4.0-15061.12.coco15sp6.1 or higher.
Note: Versions mentioned in the description apply only to the upstream kernel-syms-coco
package and not the kernel-syms-coco
package as distributed by SLES
.
See How to fix?
for SLES:15.6
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix slab-use-after-free due to dangling pointer dqi_priv
When mounting ocfs2 and then remounting it as read-only, a slab-use-after-free occurs after the user uses a syscall to quota_getnextquota. Specifically, sb_dqinfo(sb, type)->dqi_priv is the dangling pointer.
During the remounting process, the pointer dqi_priv is freed but is never set as null leaving it to be accessed. Additionally, the read-only option for remounting sets the DQUOT_SUSPENDED flag instead of setting the DQUOT_USAGE_ENABLED flags. Moreover, later in the process of getting the next quota, the function ocfs2_get_next_id is called and only checks the quota usage flags and not the quota suspended flags.
To fix this, I set dqi_priv to null when it is freed after remounting with read-only and put a check for DQUOT_SUSPENDED in ocfs2_get_next_id.
[akpm@linux-foundation.org: coding-style cleanups]