CVE-2026-53270— ipvs: clear the svc scheduler ptr early on edit
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I. Basic Information for CVE-2026-53270
Vulnerability Information
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Vulnerability Title
ipvs: clear the svc scheduler ptr early on edit
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipvs: clear the svc scheduler ptr early on edit ip_vs_edit_service() while unbinding the old scheduler clears the svc->scheduler ptr after the scheduler module initiates RCU callbacks. This can cause packets to use the old scheduler at the time when svc->sched_data is already freed after RCU grace period. Fix it by clearing the ptr early in ip_vs_unbind_scheduler(), before the done_service method schedules any RCU callbacks. Also, if the new scheduler fails to initialize when replacing the old scheduler, try to restore the old scheduler while still returning the error code.
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
II. Public POCs for CVE-2026-53270
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Patches & Fixes for CVE-2026-53270 (5)
Other References for CVE-2026-53270 (3)
Same Patch Batch · Linux · 2026-06-25 · 147 CVEs total
| CVE-2026-53185 | zram: fix use-after-free in zram_bvec_write_partial() | |
| CVE-2026-53167 | fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios | |
| CVE-2026-53168 | fuse: reject fuse_notify() pagecache ops on directories | |
| CVE-2026-53169 | accel/ethosu: reject NPU_OP_RESIZE commands from userspace | |
| CVE-2026-53171 | accel/ethosu: fix arithmetic issues in dma_length() | |
| CVE-2026-53170 | accel/ethosu: reject DMA commands with uninitialized length | |
| CVE-2026-53172 | accel/ethosu: fix IFM region index out-of-bounds in command stream parser | |
| CVE-2026-53174 | ovl: keep err zero after successful ovl_cache_get() | |
| CVE-2026-53173 | accel/ethosu: fix OOB write in ethosu_gem_cmdstream_copy_and_validate() | |
| CVE-2026-53175 | inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush | |
| CVE-2026-53177 | bnxt_en: Fix NULL pointer dereference | |
| CVE-2026-53176 | IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN | |
| CVE-2026-53178 | staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction | |
| CVE-2026-53180 | timers/migration: Fix livelock in tmigr_handle_remote_up() | |
| CVE-2026-53179 | staging: rtl8723bs: fix buffer over-read in rtw_update_protection | |
| CVE-2026-53181 | vsock/vmci: fix sk_ack_backlog leak on failed handshake | |
| CVE-2026-53182 | wifi: nl80211: reject oversized EMA RNR lists | |
| CVE-2026-53183 | mptcp: allow subflow rcv wnd to shrink | |
| CVE-2026-53184 | udp: clear skb->dev before running a sockmap verdict | |
| CVE-2026-53196 | USB: serial: io_ti: fix heap overflow in get_manuf_info() |
Showing top 20 of 147 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-53277
KVM: arm64: Take the SRCU lock for page table walks in fault - CVE-2026-53276
Bluetooth: ISO: Fix a use-after-free of the hci_conn pointer - CVE-2026-53275
ipv6: mcast: Fix use-after-free when processing MLD queries - CVE-2026-53274
net/smc: fix sleep-inside-lock in __smc_setsockopt() causing - CVE-2026-53273
tee: optee: prevent use-after-free when the client exits bef
Same vendor: Linux
- CVE-2026-53277
KVM: arm64: Take the SRCU lock for page table walks in fault - CVE-2026-53276
Bluetooth: ISO: Fix a use-after-free of the hci_conn pointer - CVE-2026-53275
ipv6: mcast: Fix use-after-free when processing MLD queries - CVE-2026-53274
net/smc: fix sleep-inside-lock in __smc_setsockopt() causing - CVE-2026-53273
tee: optee: prevent use-after-free when the client exits bef
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