CVE-2026-23211— Linux kernel 安全漏洞
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I. CVE-2026-23211の基本情報
脆弱性情報
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脆弱性タイトル
mm, swap: restore swap_space attr aviod kernel panic
ソース: NVD (National Vulnerability Database)
脆弱性説明
In the Linux kernel, the following vulnerability has been resolved: mm, swap: restore swap_space attr aviod kernel panic commit 8b47299a411a ("mm, swap: mark swap address space ro and add context debug check") made the swap address space read-only. It may lead to kernel panic if arch_prepare_to_swap returns a failure under heavy memory pressure as follows, el1_abort+0x40/0x64 el1h_64_sync_handler+0x48/0xcc el1h_64_sync+0x84/0x88 errseq_set+0x4c/0xb8 (P) __filemap_set_wb_err+0x20/0xd0 shrink_folio_list+0xc20/0x11cc evict_folios+0x1520/0x1be4 try_to_shrink_lruvec+0x27c/0x3dc shrink_one+0x9c/0x228 shrink_node+0xb3c/0xeac do_try_to_free_pages+0x170/0x4f0 try_to_free_pages+0x334/0x534 __alloc_pages_direct_reclaim+0x90/0x158 __alloc_pages_slowpath+0x334/0x588 __alloc_frozen_pages_noprof+0x224/0x2fc __folio_alloc_noprof+0x14/0x64 vma_alloc_zeroed_movable_folio+0x34/0x44 do_pte_missing+0xad4/0x1040 handle_mm_fault+0x4a4/0x790 do_page_fault+0x288/0x5f8 do_translation_fault+0x38/0x54 do_mem_abort+0x54/0xa8 Restore swap address space as not ro to avoid the panic.
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Linux kernel 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于swap地址空间被标记为只读，可能导致内核崩溃。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
II. CVE-2026-23211の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Linux · 2026-02-18 · 31 CVEs total
| CVE-2026-23230 | 8.8 HIGH | smb: client: split cached_fid bitfields to avoid shared-byte RMW races |
| CVE-2026-23226 | 8.8 HIGH | ksmbd: add chann_lock to protect ksmbd_chann_list xarray |
| CVE-2026-23227 | 7.8 HIGH | drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to |
| CVE-2026-23225 | 7.8 HIGH | sched/mmcid: Don't assume CID is CPU owned on mode switch |
| CVE-2026-23224 | 7.8 HIGH | erofs: fix UAF issue for file-backed mounts w/ directio option |
| CVE-2026-23222 | 7.8 HIGH | crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly |
| CVE-2025-71234 | wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add | |
| CVE-2026-23229 | crypto: virtio - Add spinlock protection with virtqueue notification | |
| CVE-2026-23228 | smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection() | |
| CVE-2026-23223 | xfs: fix UAF in xchk_btree_check_block_owner | |
| CVE-2026-23221 | bus: fsl-mc: fix use-after-free in driver_override_show() | |
| CVE-2026-23220 | ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths | |
| CVE-2025-71237 | nilfs2: Fix potential block overflow that cause system hang | |
| CVE-2025-71236 | scsi: qla2xxx: Validate sp before freeing associated memory | |
| CVE-2025-71235 | scsi: qla2xxx: Delay module unload while fabric scan in progress | |
| CVE-2026-23212 | bonding: annotate data-races around slave->last_rx | |
| CVE-2025-71233 | PCI: endpoint: Avoid creating sub-groups asynchronously | |
| CVE-2025-71232 | scsi: qla2xxx: Free sp in error path to fix system crash | |
| CVE-2025-71231 | crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode | |
| CVE-2025-71230 | hfs: ensure sb->s_fs_info is always cleaned up |
Showing 20 of 31 CVEs. View all on vendor page →
IV. 関連脆弱性
同じ製品: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
同じベンダー: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. CVE-2026-23211へのコメント
まだコメントはありません