vulnerability
Oracle Linux: CVE-2021-47236: ELSA-2024-12606: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:M/C:C/I:N/A:P) | May 21, 2024 | Jul 3, 2024 | Jul 16, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:M/C:C/I:N/A:P)
Published
May 21, 2024
Added
Jul 3, 2024
Modified
Jul 16, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
net: cdc_eem: fix tx fixup skb leak
when usbnet transmit a skb, eem fixup it in eem_tx_fixup(),
if skb_copy_expand() failed, it return NULL,
usbnet_start_xmit() will have no chance to free original skb.
fix it by free orginal skb in eem_tx_fixup() first,
then check skb clone status, if failed, return NULL to usbnet.
net: cdc_eem: fix tx fixup skb leak
when usbnet transmit a skb, eem fixup it in eem_tx_fixup(),
if skb_copy_expand() failed, it return NULL,
usbnet_start_xmit() will have no chance to free original skb.
fix it by free orginal skb in eem_tx_fixup() first,
then check skb clone status, if failed, return NULL to usbnet.
Solutions
oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
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