vulnerability
Debian: CVE-2023-53033: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:C/I:N/A:N) | Mar 27, 2025 | Mar 31, 2025 | Mar 31, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Mar 27, 2025
Added
Mar 31, 2025
Modified
Mar 31, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
If the offset + length goes over the ethernet + vlan header, then the
length is adjusted to copy the bytes that are within the boundaries of
the vlan_ethhdr scratchpad area. The remaining bytes beyond ethernet +
vlan header are copied directly from the skbuff data area.
Fix incorrect arithmetic operator: subtract, not add, the size of the
vlan header in case of double-tagged packets to adjust the length
accordingly to address CVE-2023-0179.
Solution
debian-upgrade-linux
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