7

CVE-2026-64587

net: ethernet: arc: emac: quiesce interrupts before requesting IRQ

In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: arc: emac: quiesce interrupts before requesting IRQ

Normal RX/TX interrupts are enabled later, in arc_emac_open(), so probe
should not see interrupt delivery in the usual case. However, hardware may
still present stale or latched interrupt status left by firmware or the
bootloader.

If probe later unwinds after devm_request_irq() has installed the handler,
such a stale interrupt can still reach arc_emac_intr() during teardown and
race with release of the associated net_device.

Avoid that window by putting the device into a known quiescent state before
requesting the IRQ: disable all EMAC interrupt sources and clear any
pending EMAC interrupt status bits. This keeps the change hardware-focused
and minimal, while preventing spurious IRQ delivery from leftover state.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < abd338da658d7faa8e26cfefc8f83f0066707564
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 5f29dd540fe5ea3c826fc8ec759ba488b31f9707
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 6fc7449773748c7b904235a09a67054d78ab1172
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 81431da777924dddaefa5c9b0ca9da4a93f9df96
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < d0f2386f529807826e7404d40a245ee428f89f62
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 8efd5dcd31e22a9308b16b107a052fcd568c0a99
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 8f9adb3605e36f75639de529bb3d66e94194a388
Status affected
Version e4f2379db6c6823c5d4a4c2c912df00c65de51d7
Version < 2503d08f8a2de618e5c3a8183b250ff4a2e2d52c
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 3.11
Status affected
Version 0
Version < 3.11
Status unaffected
Version <= 5.10.*
Version 5.10.253
Status unaffected
Version <= 5.15.*
Version 5.15.203
Status unaffected
Version <= 6.1.*
Version 6.1.167
Status unaffected
Version <= 6.6.*
Version 6.6.130
Status unaffected
Version <= 6.12.*
Version 6.12.78
Status unaffected
Version <= 6.18.*
Version 6.18.19
Status unaffected
Version <= 6.19.*
Version 6.19.9
Status unaffected
Version <= *
Version 7.0
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.023
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/abd338da658d7faa8e26cfefc8f83f0066707564
https://git.kernel.org/stable/c/5f29dd540fe5ea3c826fc8ec759ba488b31f9707
https://git.kernel.org/stable/c/6fc7449773748c7b904235a09a67054d78ab1172
https://git.kernel.org/stable/c/81431da777924dddaefa5c9b0ca9da4a93f9df96
https://git.kernel.org/stable/c/d0f2386f529807826e7404d40a245ee428f89f62
https://git.kernel.org/stable/c/8efd5dcd31e22a9308b16b107a052fcd568c0a99
https://git.kernel.org/stable/c/8f9adb3605e36f75639de529bb3d66e94194a388
https://git.kernel.org/stable/c/2503d08f8a2de618e5c3a8183b250ff4a2e2d52c