VulnerabilityModified
CVE-2023-1095
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this…
MEDIUM 5.5EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.