Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)
* kernel: sctp: avoid NULL dereference when chunk data buffer is missing (CVE-2025-40240)
* kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | kernel | 0:4.18.0-553.92.1.el8_10 |
Vulnerabilities 3
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Critical 9.8
libceph: fix potential use-after-free in have_mon_and_osd_map()
In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap or osdmap shortly after the initial map …
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High 7.8
media: rc: fix races with imon_disconnect()
In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imon_disconnect() Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in __create_pipe include/linux/usb.h:1945 [inline] BUG: KASAN: use-after-free in …
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High 7.5
sctp: avoid NULL dereference when chunk data buffer is missing
In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk->skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk->skb can only be NULL if chunk->he…