How many CVEs have patched returns?

4 published CVEs changed returns in torvalds/linux, in 11 distinct patches totalling 34 changed lines, between 2024 and 2026.

What is the latest CVE that changed returns?

CVE-2026-90421 (PCI: Fix UAF when probe runs concurrent to dyn ID removal), published 2026-09-17, changed lines 982 of include/linux/pci.h.

How does returns compare to the rest of torvalds/linux?

torvalds/linux has 19,281 CVEs with a located fix in total; 4 of them changed returns.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Returns

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Returns

returns in torvalds/linux: Patched by 4 CVEs

torvalds/linux

Function

4 files

returns

Name: returns in torvalds/linux: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Defined in 4 files

Last patched September 17, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2024–2026

Years

By CVE publication date

Overview

returns in torvalds/linux was changed by 4 published CVE fixes between 2024 and 2026, in 11 distinct patches that added or removed 34 lines in total.

The name occurs in 4 files: drivers/net/xen-netback/interface.c, include/linux/pci.h, drivers/gpu/drm/xe/xe_migrate.c, drivers/iommu/io-pgfault.c.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

torvalds/linux has 19,281 CVEs with a located fix in total, so 0% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed returns, newest first, with the lines each fix touched.

PCI: Fix UAF when probe runs concurrent to dyn ID removal
CVE-2026-90421 · include/linux/pci.h · line 982 · +1 −0
Unscored
EPSS 0.2%2026-09-17
iommu/iommufd: Fix IOPF group ownership UAF
CVE-2026-74520 · drivers/iommu/io-pgfault.c · lines 335–358 · +19 −5
High · CVSS 8.8
EPSS 0.2%2026-08-15
CVE-2024-37026
CVE-2024-37026 · drivers/gpu/drm/xe/xe_migrate.c · line 301 · +0 −4
Medium · CVSS 5.5
EPSS 0.2%2024-06-24
xen-netback: take a reference to the RX task thread
CVE-2021-47111 · drivers/net/xen-netback/interface.c · lines 749–753 · +5 −0
High · CVSS 8.8
EPSS 0.2%2024-03-15

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Other functions in these files

Functions in the same files that CVE fixes also changed.

1xe_migrate_access_memorydrivers/gpu/drm/xe/xe_migrate.c3 CVEs · 6 patches2025
2xe_migrate_initdrivers/gpu/drm/xe/xe_migrate.c2 CVEs · 5 patches2024
3xe_migrate_prepare_vmdrivers/gpu/drm/xe/xe_migrate.c2 CVEs · 5 patches2024
4pci_walk_bus_lockedinclude/linux/pci.h1 CVEs · 6 patches2024
5pci_set_power_state_lockedinclude/linux/pci.h1 CVEs · 6 patches2024
6pci_bus_add_resourceinclude/linux/pci.h1 CVEs · 5 patches2025
7xe_migrate_usm_logical_maskdrivers/gpu/drm/xe/xe_migrate.c1 CVEs · 3 patches2024
8xe_migrate_ccs_rw_copydrivers/gpu/drm/xe/xe_migrate.c1 CVEs · 3 patches2026

Other hotspots in the repository

Functions in torvalds/linux changed by the most CVE fixes.

smb2_sess_setup13 CVEs · fs/smb/server/smb2pdu.c adjust_ptr_min_max_vals13 CVEs · kernel/bpf/verifier.c ext4_fill_super13 CVEs · fs/ext4/super.c bcm_rx_setup12 CVEs · net/can/bcm.c copy_process12 CVEs · kernel/fork.c smb2_sess_setup11 CVEs · fs/ksmbd/smb2pdu.c

All patched functions in torvalds/linux

Frequently asked questions

Common questions about CVE fixes to returns.

How many CVEs have patched returns?: 4 published CVEs changed returns in torvalds/linux, in 11 distinct patches totalling 34 changed lines, between 2024 and 2026.
What is the latest CVE that changed returns?: CVE-2026-90421 (PCI: Fix UAF when probe runs concurrent to dyn ID removal), published 2026-09-17, changed lines 982 of include/linux/pci.h.
How does returns compare to the rest of torvalds/linux?: torvalds/linux has 19,281 CVEs with a located fix in total; 4 of them changed returns.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

drivers/net/xen-netback/interface.c on GitHub (opens in a new tab)
include/linux/pci.h on GitHub (opens in a new tab)
drivers/gpu/drm/xe/xe_migrate.c on GitHub (opens in a new tab)
All patched functions in torvalds/linux
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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