CVE-2026-97584— afs: Fix incorrect free in candidate cleanup in afs_lookup_server()
Quick assessment
Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Linux 内核中，以下漏洞已得到修复： afs：修复 afs_lookup_server() 中候选者清理时的错误释放问题 修复 afs_lookup_server() 函数，使其在清理候选服务器时不再释放已存在服务器的端点状态。由于此时候选记录尚未包含端点状态，因此可直接移除对该端点状态的释放操作。
Affected Version Matrix 11
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | d6aa05cd995830f6dcee7b139335edb266de38a6< 981d72663dee2fa6efaf202293e68d2b10a0d1d4 |
affected |
4882ba78574e2d8c579658f65f6784b0d139d173< e5bc0fa9959dc8f7eb1afab7c039594a16a1a65c |
affected | ||
4882ba78574e2d8c579658f65f6784b0d139d173< 349e713039a1fd6659c27e7a66238bfa49ce37e9 |
affected | ||
4882ba78574e2d8c579658f65f6784b0d139d173< 044d596094af4b769fb8e1173dff0d08bd68db6c |
affected | ||
6.12.101< 6.12.111 |
affected | ||
6.15 |
affected | ||
< 6.15 |
unaffected | ||
6.12.111≤ 6.12.* |
unaffected | ||
| … +3 more rows | |||
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I. Basic Information for CVE-2026-97584
Vulnerability Information
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Vulnerability Title
afs: Fix incorrect free in candidate cleanup in afs_lookup_server()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
afs: Fix incorrect free in candidate cleanup in afs_lookup_server()
Fix afs_lookup_server() to not free an existing server's endpoint state
when cleaning up a candidate server. The candidate record doesn't have an
endpoint state yet at this point, so the free for that can just be removed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-97584
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-97584 (4)
Same Patch Batch · Linux · 2026-09-25 · 372 CVEs total
| CVE-2026-100075 | 9.8 CRITICAL | RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters |
| CVE-2026-97957 | 8.8 HIGH | net: hinic: fix mailbox segment buffer overflow |
| CVE-2026-97527 | 8.8 HIGH | scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock |
| CVE-2026-97528 | 8.8 HIGH | scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error |
| CVE-2026-97555 | 8.8 HIGH | smb: client: fix heap overflow in DACL owner/group rewrite |
| CVE-2026-98115 | 8.8 HIGH | ksmbd: safely drain sessions during logoff |
| CVE-2026-97525 | 8.2 HIGH | x86/mm/pat: Allocate split page tables as kernel page tables |
| CVE-2026-98130 | 8.1 HIGH | sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START |
| CVE-2026-97573 | 8.1 HIGH | bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset() |
| CVE-2026-98069 | 8.1 HIGH | net/rds: acquire the fastpath locks in rds_conn_shutdown() |
| CVE-2026-98070 | 8.1 HIGH | net/rds: acquire RDS_IN_XMIT in rds_tcp_reset_callbacks() |
| CVE-2026-97570 | 8.1 HIGH | bnxt_en: Bound SW TPA IDs to prevent crashes |
| CVE-2026-97911 | 7.8 HIGH | accel: ethosu: Ensure SRAM region size matches job |
| CVE-2026-98023 | 7.8 HIGH | vxlan: reject dynamic fdb entries that reference a nexthop id |
| CVE-2026-97910 | 7.8 HIGH | ASoC: sprd: validate compress buffer sizes against fixed allocations |
| CVE-2026-98143 | 7.8 HIGH | accel: ethosu: Don't read the U65 rounding mode as a storage mode |
| CVE-2026-97903 | 7.8 HIGH | exit: hold a reference to thread_pid across proc_flush_pid |
| CVE-2026-97548 | 7.8 HIGH | xfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions |
| CVE-2026-97594 | 7.8 HIGH | landlock: Fix use-after-free of the source's parent directory |
| CVE-2026-98073 | 7.8 HIGH | net: Remove conflicting altnames for dying netns in __dev_change_net_namespace(). |
Showing top 20 of 372 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2026-98163
cgroup: Avoid iteration of dying tasks with zero refcount -
CVE-2026-98162
smb/server: fix tree connection leak in smb2_tree_connect() -
CVE-2026-98161
nvdimm: pmem: keep PREFLUSH before data writes -
CVE-2026-98160
staging: rtl8723bs: fix mismatched free of HalData in rtw_sd -
CVE-2026-100079
usb: typec: ucsi: unregister debugfs entries on teardown
Same vendor: Linux
-
CVE-2026-98163
cgroup: Avoid iteration of dying tasks with zero refcount -
CVE-2026-98162
smb/server: fix tree connection leak in smb2_tree_connect() -
CVE-2026-98161
nvdimm: pmem: keep PREFLUSH before data writes -
CVE-2026-98160
staging: rtl8723bs: fix mismatched free of HalData in rtw_sd -
CVE-2026-100079
usb: typec: ucsi: unregister debugfs entries on teardown
V. Comments for CVE-2026-97584
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