Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856)
* kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794)
* kernel: futex: Fix race on the initial mm->futex.phash.ref allocation (CVE-2026-80775)
Bug Fix(es) and Enhancement(s):
* Backport of protocol attribute to IP addresses (IFA_PROTO) [rhel-9.8.z] (JIRA:Rocky Linux-169936)
* try_charge_memcg() refactor in kernel 5.14.0-687.36.1 causes premature memcg OOM with GiB of clean page cache present [rhel-9.8.z] (JIRA:Rocky Linux-269060)
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 | 0:5.14.0-687.54.1.el9_8 |
Vulnerabilities 3
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High 7.1
RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send
In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send ib_uverbs_post_send() uses cmd.wqe_size from userspace without any validation before passing it to kmalloc() and using th…
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Unscored —
KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path In sev_dbg_crypt(), the per-iteration transfer length is bounded by the source page offset (PAGE_SIZE - s_off) but not by the d…
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Unscored —CVE-2026-80775 Public exploit
futex: Fix race on the initial mm->futex.phash.ref allocation
In the Linux kernel, the following vulnerability has been resolved: futex: Fix race on the initial mm->futex.phash.ref allocation futex_hash_allocate() allocates mm->futex.phash.ref without any locking. Commit d9b05321e21e ("futex: Move futex_hash_free() back…