5.5

CVE-2022-48794

net: ieee802154: at86rf230: Stop leaking skb's

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

net: ieee802154: at86rf230: Stop leaking skb's

Upon error the ieee802154_xmit_complete() helper is not called. Only
ieee802154_wake_queue() is called manually. In the Tx case we then leak
the skb structure.

Free the skb structure upon error before returning when appropriate.

As the 'is_tx = 0' cannot be moved in the complete handler because of a
possible race between the delay in switching to STATE_RX_AACK_ON and a
new interrupt, we introduce an intermediate 'was_tx' boolean just for
this purpose.

There is no Fixes tag applying here, many changes have been made on this
area and the issue kind of always existed.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 4.9.303
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.268
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.231
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.181
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.102
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.25
Linux ≫ Linux Kernel Version >= 5.16 < 5.16.11
Linux ≫ Linux Kernel Version5.17 Updaterc1
Linux ≫ Linux Kernel Version5.17 Updaterc2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.148
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/0fd484644c68897c490a3307bfcc8bf767df5a43
Patch
https://git.kernel.org/stable/c/1c72f04d52b7200bb83426a9bed378668271ea4a
Patch
https://git.kernel.org/stable/c/23b2a25382400168427ea278f3d8bf4ecfd333bf
Patch
https://git.kernel.org/stable/c/455ef08d6e5473526fa6763f75a93f7198206966
Patch
https://git.kernel.org/stable/c/6312f6a53fd3ea38125dcaca5e3c9aa7d8a60cf7
Patch
https://git.kernel.org/stable/c/af649e5c95f56df64363bc46f6746b87819f9c0d
Patch
https://git.kernel.org/stable/c/d2a1eaf51b7d4412319adb6acef114ba472d1692
Patch
https://git.kernel.org/stable/c/e5ce576d45bf72fd0e3dc37eff897bfcc488f6a9
Patch