CVE-2021-47394 netfilter: nf_tables: unlink table before deleting it

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unlink table before deleting it syzbot reports following UAF: BUG: KASAN: use-after-free in memcmp+0x18f/0x1c0 lib/string.c:955 nlastrcmp+0xf2/0x130 lib/nlattr.c:836 nfttablelookup.part.0+0x1a2/0x460...

CVE-2021-47394

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unlink table before deleting it syzbot reports following UAF: BUG: KASAN: use-after-free in memcmp+0x18f/0x1c0 lib/string.c:955 nlastrcmp+0xf2/0x130 lib/nlattr.c:836 nfttablelookup.part.0+0x1a2/0x460...

CVE-2021-47312 netfilter: nf_tables: Fix dereference of null pointer flow

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix dereference of null pointer flow In the case where chain-flags & NFTCHAINHWOFFLOAD is false then nftflowrulecreate is not called and flow is NULL. The subsequent error handling execution via label...

CVE-2021-47312

The CVE-2021-47312 issue in Linux kernel nf_tables caused a NULL pointer dereference during error handling when flow is NULL (chain flags NFT_CHAIN_HW_OFFLOAD is false). The fix ensures nft_flow_rule_destroy is only called if flow is non-null, preventing the crash in the error path. Connected ven...

CVE-2021-47312 netfilter: nf_tables: Fix dereference of null pointer flow

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix dereference of null pointer flow In the case where chain-flags & NFTCHAINHWOFFLOAD is false then nftflowrulecreate is not called and flow is NULL. The subsequent error handling execution via label...

SUSE CVE-2024-35899

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: flush pending destroy work before exitnet release Similar to 2c9f0293280e "netfilter: nftables: flush pending destroy work before netlink notifier" to address a race between exitnet and the destroy workqueue...

SUSE CVE-2024-36005

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-36005

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-35900

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject new basechain after table flag update When dormant flag is toggled, hooks are disabled in the commit phase by iterating over current chains in table existing and new. The following configuration allows...

CVE-2024-35899

A vulnerability was found in the Linux kernel's Netfilter framework, specifically within the nftables component. The issue arises from a race condition between the exitnet function and the destroy work queue, which can lead to use-after-free errors and potential system instability. This...

CVE-2024-35898

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential data-race in nftflowtabletypeget nftunregisterflowtabletype within nfflowinetmoduleexit can concurrent with nftflowtabletypeget within nftablesnewflowtable. And thhere is not any protection when...

CVE-2024-35897

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: discard table flag update with pending basechain deletion Hook unregistration is deferred to the commit phase, same occurs with hook updates triggered by the table dormant flag. When both commands are combine...

CVE-2024-36005

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-36005 netfilter: nf_tables: honor table dormant flag from netdev release event path

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-36005 netfilter: nf_tables: honor table dormant flag from netdev release event path

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-36005

CVE-2024-36005 is reported in the Astra Linux security bulletin as a Linux kernel vulnerability affecting nf_tables: the kernel could unregister an already unregistered nethook due to mishandling the table dormant flag on netdev release events. The issue is described with the same reproduction tr...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2024-056)

The version of kernel installed on the remote host is prior to 5.10.215-203.850. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2024-056 advisory. 2024-07-03: CVE-2024-26643 was added to this advisory. 2024-07-03: CVE-2024-26642 was added to this...

Amazon Linux 2 : kernel (ALASKERNEL-5.4-2024-064)

The version of kernel installed on the remote host is prior to 5.4.274-187.369. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2024-064 advisory. 2024-07-03: CVE-2024-26642 was added to this advisory. 2024-07-03: CVE-2023-52620 was added to this...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: disallow timeout for anonymous sets CVE-2023-52620 createemptylvol in drivers/mtd/ubi/vtbl.c in the Linux kernel through 6.7.4 can attempt to allocate zero bytes, and crash, because of a missi...

CVE-2024-35900

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject new basechain after table flag update When dormant flag is toggled, hooks are disabled in the commit phase by iterating over current chains in table existing and new. The following configuration allows...