File _patchinfo of Package patchinfo.30809

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File _patchinfo of Package patchinfo.30809

<patchinfo incident="30809">
  <issue id="1210619" tracker="bnc">VUL-0: CVE-2023-1829: kernel live patch: Linux kernel: Vulnerabilities in the tcindex classifier</issue>
  <issue id="1213064" tracker="bnc">VUL-0: CVE-2023-31248: kernel live patch: nf_tables UAF when using nft_chain_lookup_byid</issue>
  <issue id="1213587" tracker="bnc">VUL-0: CVE-2023-3609: kernel live patch: use-after-free in net/sched: cls_u32 can lead to local privilege escalation</issue>
  <issue id="1213706" tracker="bnc">VUL-0: CVE-2023-3812: kernel live patch: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags</issue>
  <issue id="1214123" tracker="bnc">VUL-0: CVE-2023-4273: kernel live patch: exFAT: stack overflow in exfat_get_uniname_from_ext_entry</issue>
  <issue id="1215119" tracker="bnc">VUL-0: CVE-2023-3776: kernel live patch: use-after-free vulnerability the cls_fw component</issue>
  <issue id="2023-1829" tracker="cve" />
  <issue id="2023-31248" tracker="cve" />
  <issue id="2023-3609" tracker="cve" />
  <issue id="2023-3776" tracker="cve" />
  <issue id="2023-3812" tracker="cve" />
  <issue id="2023-4273" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>nstange</packager>
  <description>This update for the Linux Kernel 5.14.21-150500_53 fixes several issues.

The following security issues were fixed:

- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).
- CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).
- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123).
- CVE-2023-3609: Fixed reference counter leak leading to  overflow in net/sched (bsc#1213587).
- CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).
- CVE-2023-31248: Fixed an use-after-free vulnerability in nft_chain_lookup_byid that could allow a local attacker to escalate their privilege (bsc#1213064).
</description>
<summary>Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)</summary>
</patchinfo>

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