CVE-2026-98387— s390/crypto: Fix skcipher_walk return code handling in aes_s390
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix skcipher_walk return code handling in aes_s390 The return codes from skcipher_walk_virt() were not properly checked before entering the processing loops in ecb_aes_crypt() and
影响版本矩阵 10
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 7988fb2c03c8cf9936f851ab19a6d21b3c3411c0< 89b58645646d1dac34162cc2597f42266bfbf930 |
affected |
7988fb2c03c8cf9936f851ab19a6d21b3c3411c0< 35c3f97569306050e818fa18e17fa97c358f0f28 |
affected | ||
7988fb2c03c8cf9936f851ab19a6d21b3c3411c0< aea3e1588f08e381a7a57b2bf1a60cc2347904cd |
affected | ||
7988fb2c03c8cf9936f851ab19a6d21b3c3411c0< 15fa028589c3a2545f0bff355eff06d5844196bf |
affected | ||
5.5 |
affected | ||
< 5.5 |
unaffected | ||
6.12.111≤ 6.12.* |
unaffected | ||
6.18.53≤ 6.18.* |
unaffected | ||
| … +2 条更多 | |||
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一、 漏洞 CVE-2026-98387 基础信息
漏洞信息
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Vulnerability Title
s390/crypto: Fix skcipher_walk return code handling in aes_s390
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
s390/crypto: Fix skcipher_walk return code handling in aes_s390
The return codes from skcipher_walk_virt() were not properly checked
before entering the processing loops in ecb_aes_crypt() and ctr_aes_crypt().
If skcipher_walk_virt() fails, the walk structure may be in an undefined
state, and attempting to process data could lead to incorrect behavior
or accessing uninitialized memory.
Add proper return code checking to ensure correct handling of the walk
initialization and walk advance and eventually return to the caller
with that return code.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-98387 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-98387 其他参考 (4)
同批安全公告 · Linux · 2026-10-14 · 共 46 条
| CVE-2026-98399 | s390/ipl: Fix NULL deref in dump_reipl without re-IPL parm block | |
| CVE-2026-98395 | powerpc/entry: Fix irq_soft_mask corruption on replayed interrupt exit | |
| CVE-2026-98394 | af_unix: Return immediately when manage_oob() returns NULL for 0-length buffer. | |
| CVE-2026-98390 | x86/amd_node: Avoid divide by zero on virtualized systems | |
| CVE-2026-98391 | drm/xe: Guard page-fault worker with runtime PM check | |
| CVE-2026-98389 | drm/amdgpu: skip gfx switch_power_profile during GPU reset | |
| CVE-2026-98388 | exec: do_close_on_exec() before taking exec_update_lock | |
| CVE-2026-98386 | scsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot | |
| CVE-2026-98392 | Bluetooth: btintel_pcie: fix tx_handle bounds off-by-one | |
| CVE-2026-98398 | locking/lockdep: Invalidate stale class_cache entries for zapped classes | |
| CVE-2026-98397 | platform/x86: x86-android-tablets: hold device reference for secondary fwnode teardown | |
| CVE-2026-98400 | s390/ipl: Fix NULL deref in kdump without re-IPL parm block | |
| CVE-2026-98402 | net: icmp: avoid invalid transport header access in icmp_send tracepoint | |
| CVE-2026-98401 | net: iptunnel: fix stale transport header during tunnel decapsulation | |
| CVE-2026-98403 | s390/boot: Avoid IPL parameter append past command line | |
| CVE-2026-98404 | drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() | |
| CVE-2026-98405 | smb: client: fix missing iov bounds check in parse_posix_sids() | |
| CVE-2026-98406 | wifi: mac80211: avoid WARN in set_bitrate_mask when sdata not in driver | |
| CVE-2026-98408 | watchdog: rzv2h: Avoid division by zero | |
| CVE-2026-98407 | wifi: rsi: fix heap OOB write on key removal |
显示前 20 条，共 46 条。 查看全部 → →
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CVE-2026-98431
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V. Comments for CVE-2026-98387
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