Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)
* kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894)
* kernel: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree (CVE-2026-45959)
* kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)
* kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823)
* kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293)
* kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157)
* kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188)
* kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156)
* kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)
* kernel: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds (CVE-2026-68391)
* kernel: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete (CVE-2026-72072)
* kernel: mm/hugetlb: fix list corruption in allocate_file_region_entries() (CVE-2026-74518)
Bug Fix(es) and Enhancement(s):
* [Intel 9.8 FEAT] ice: Driver Update [rhel-9.8.z] (JIRA:Rocky Linux-213003)
* Rocky Linux 9.8: Multiuser Kerberized DFS shares fail to mount with UID mount option [rhel-9.8.z] (JIRA:Rocky Linux-254108)
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 · 9 | kernel | 0:5.14.0-687.50.1.el9_8 |
Vulnerabilities 13
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High 7.8
crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is bogus as the data will be interleaved in an unpredictable fashion. Furthermore, c…
KEV Sep 18, 2026 -
Critical 9.8
libceph: refresh auth->authorizer_buf{,_len} after authorizer update
In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth->authorizer_buf{,_len} after authorizer update ceph_x_create_authorizer() caches au->buf->vec.iov_base and au->buf->vec.iov_len in struct ceph_auth_handshake. These cach…
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High 7.8
iommu/vt-d: Clear Present bit before tearing down PASID entry
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits (64 bytes). When tearing down an entry, the current implement…
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High 7.8
crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree Annotating a local pointer variable, which will be assigned with the kmalloc-family functions, with the `__cleanup(kfree)` at…
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High 7.8
dm cache policy smq: fix missing locks in invalidating cache blocks
In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidate_mapping operation is called simultaneously from multiple workers, thus it should…
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High 7.8
keys: Pin request_key_auth payload in instantiate paths
In the Linux kernel, the following vulnerability has been resolved: keys: Pin request_key_auth payload in instantiate paths A: request_key() B: KEYCTL_INSTANTIATE_IOV ================ ========================= create auth key store rka in auth key wait for he…
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High 7.8
Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Use of hci_conn in hci_sync ca…
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High 7.8
net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete When an offloaded MACsec RX SC is deleted, macsec_del_rxsc_ctx() freed the per-SC metadata_dst with metadata_dst_free(), …
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High 7.8
mm/hugetlb: fix list corruption in allocate_file_region_entries()
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix list corruption in allocate_file_region_entries() allocate_file_region_entries() tops up resv->region_cache with freshly allocated file_region descriptors. The allocation uses…
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High 7.5
libceph: Reject monmaps advertising zero monitors
In the Linux kernel, the following vulnerability has been resolved: libceph: Reject monmaps advertising zero monitors A message of type CEPH_MSG_MON_MAP contains a monmap that is sent from a monitor to the client. This monmap contains information about the ex…
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High 7.5
libceph: guard missing CRUSH type name lookup
In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in type_names. get_imme…
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High 7.1
net/mlx5: Fix MCIA register buffer overflow on 32 dword reads
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads The MCIA register can return up to 32 dwords (128 bytes) when the device advertises the mcia_32dwords capability, but struct mlx5…
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Unscored —
Bluetooth: RFCOMM: Fix session UAF in set_termios
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in set_termios rfcomm_tty_set_termios() tests dlc->session without rfcomm_mutex and later passes the pointer to rfcomm_send_rpn(). The latter dereferences b…
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2403545
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2481940
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2481948
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492278
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502218
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513150
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513212
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513222
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513232
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513295
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513453
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2516523
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2517004
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advisory
https://access.redhat.com/errata/RHSA-2026:70459