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CVE-2026-53189— mm/huge_memory: update file PMD counter before folio_put()

AI Predicted 5.5 Difficulty: Moderate EPSS 0.18% · P8
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I. Basic Information for CVE-2026-53189

Vulnerability Information
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Vulnerability Title
mm/huge_memory: update file PMD counter before folio_put()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: update file PMD counter before folio_put() __split_huge_pmd_locked() updates the file/shmem RSS counter after dropping the PMD mapping's folio reference. If folio_put() drops the last reference, mm_counter_file() can later read freed folio state via folio_test_swapbacked(). Move the counter update before folio_put().
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux fadae2953072e9005c5f1d64e1049edb043494dc ~ 84b3212b166b446faea27ebebb7161405ffceef9 -
LinuxLinux 4.19 -

II. Public POCs for CVE-2026-53189

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III. Intelligence Information for CVE-2026-53189

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Patches & Fixes for CVE-2026-53189 (4)

Other References for CVE-2026-53189 (4)

Same Patch Batch · Linux · 2026-06-25 · 147 CVEs total

CVE-2026-53185zram: fix use-after-free in zram_bvec_write_partial()
CVE-2026-53167fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios
CVE-2026-53168fuse: reject fuse_notify() pagecache ops on directories
CVE-2026-53169accel/ethosu: reject NPU_OP_RESIZE commands from userspace
CVE-2026-53171accel/ethosu: fix arithmetic issues in dma_length()
CVE-2026-53170accel/ethosu: reject DMA commands with uninitialized length
CVE-2026-53172accel/ethosu: fix IFM region index out-of-bounds in command stream parser
CVE-2026-53174ovl: keep err zero after successful ovl_cache_get()
CVE-2026-53173accel/ethosu: fix OOB write in ethosu_gem_cmdstream_copy_and_validate()
CVE-2026-53175inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
CVE-2026-53177bnxt_en: Fix NULL pointer dereference
CVE-2026-53176IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
CVE-2026-53178staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction
CVE-2026-53180timers/migration: Fix livelock in tmigr_handle_remote_up()
CVE-2026-53179staging: rtl8723bs: fix buffer over-read in rtw_update_protection
CVE-2026-53181vsock/vmci: fix sk_ack_backlog leak on failed handshake
CVE-2026-53182wifi: nl80211: reject oversized EMA RNR lists
CVE-2026-53183mptcp: allow subflow rcv wnd to shrink
CVE-2026-53184udp: clear skb->dev before running a sockmap verdict
CVE-2026-53197xfrm: iptfs: fix ABBA deadlock in iptfs_destroy_state()

Showing top 20 of 147 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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